| Aa River (France) | 16% | 393 | 245 |
| Aare | 2% | 3,533 | 119 |
| Abra River | 22% | 268 | 296 |
| Achankovil | 8% | 913 | 174 |
| Achelous River | 9% | 789 | 184 |
| Acheron | 1% | 11,457 | 105 |
| Aconcagua River | 21% | 276 | 292 |
| Acre River | 13% | 545 | 213 |
| Adams River (British Columbia) | 16% | 395 | 245 |
| Adda | 9% | 837 | 179 |
| Adelaide River | 10% | 673 | 194 |
| Adige | 2% | 3,143 | 120 |
| Adour | 14% | 490 | 222 |
| Agan River | 8% | 986 | 169 |
| Agawa River | 24% | 236 | 317 |
| Agno River | 7% | 1,096 | 161 |
| Agua Fria River | 13% | 535 | 214 |
| Agusan River | 18% | 349 | 260 |
| Ahr | 18% | 340 | 264 |
| Ain | 23% | 247 | 309 |
| Aisne | 11% | 628 | 201 |
| Ajay River | 9% | 803 | 183 |
| Akerselva | 15% | 418 | 238 |
| Alabama River | 5% | 1,552 | 142 |
| Alaknanda River | 2% | 2,941 | 121 |
| Alamo River | 16% | 413 | 240 |
| Alapaha River | 14% | 455 | 230 |
| Alazani | 15% | 416 | 239 |
| Albany River | 12% | 579 | 208 |
| Alcantara | 16% | 395 | 245 |
| Alfeios | 12% | 581 | 208 |
| Allagash River | 12% | 568 | 210 |
| Allegheny River | 1% | 5,972 | 110 |
| Aller (Germany) | 19% | 314 | 274 |
| Allier | 15% | 421 | 238 |
| Alma (Crimea) | 18% | 339 | 264 |
| Alpine Rhine | 10% | 707 | 191 |
| Alsek River | 18% | 344 | 262 |
| Alster | 11% | 618 | 202 |
| Altamaha River | 6% | 1,302 | 151 |
| Altmühl | 22% | 267 | 297 |
| Alum Creek (Ohio) | 19% | 315 | 274 |
| Alzette | 15% | 425 | 237 |
| Amarāvati River | 9% | 807 | 182 |
| Amargosa River | 10% | 707 | 191 |
| Amazon River | 0% | 33,844 | 101 |
| American River (California) | 3% | 2,373 | 127 |
| Amite River | 19% | 322 | 271 |
| Ammonoosuc River | 15% | 416 | 239 |
| Amper | 23% | 244 | 311 |
| Amstel | 2% | 2,834 | 122 |
| Amu Darya | 1% | 10,810 | 105 |
| Amur River | 1% | 7,884 | 108 |
| Anacostia River | 5% | 1,489 | 144 |
| Anadyr | 19% | 315 | 274 |
| Anambra River | 21% | 277 | 292 |
| Androscoggin River | 5% | 1,456 | 145 |
| Angara | 4% | 2,102 | 132 |
| Angat River | 18% | 348 | 261 |
| Angelina River | 24% | 236 | 317 |
| Aniene | 14% | 475 | 226 |
| Animas River | 7% | 1,013 | 166 |
| Apalachicola River | 4% | 1,972 | 134 |
| Apple River (Wisconsin) | 4% | 2,118 | 132 |
| Appomattox River | 12% | 590 | 206 |
| Apurímac River | 5% | 1,502 | 143 |
| Araguaia River | 11% | 610 | 203 |
| Aragvi River | 21% | 277 | 292 |
| Arakawa River (Kantō) | 12% | 570 | 209 |
| Aras River | 3% | 2,579 | 124 |
| Arda (Maritsa tributary) | 21% | 276 | 292 |
| Ardèche | 11% | 622 | 202 |
| Argeș River | 15% | 420 | 238 |
| Arghandab River | 11% | 671 | 195 |
| Argun River (Amur) | 10% | 681 | 193 |
| Arikaree River | 14% | 458 | 229 |
| Aripuanã River | 25% | 229 | 323 |
| Arkansas River | 1% | 9,424 | 106 |
| Arno | 2% | 3,768 | 118 |
| Aroostook River | 23% | 248 | 308 |
| Arroyo Seco (Los Angeles County) | 5% | 1,477 | 145 |
| Artibonite River | 14% | 477 | 225 |
| Arun River (China–Nepal) | 13% | 546 | 213 |
| Arve | 14% | 452 | 230 |
| Assabet River | 19% | 331 | 268 |
| Assiniboine River | 6% | 1,241 | 153 |
| Atbarah River | 9% | 786 | 184 |
| Atchafalaya River | 2% | 4,718 | 114 |
| Athabasca River | 4% | 2,080 | 132 |
| Athi-Galana-Sabaki River | 14% | 489 | 222 |
| Atrai River | 18% | 341 | 263 |
| Atrato River | 9% | 814 | 181 |
| Atrek River | 25% | 228 | 323 |
| Au Sable River (Michigan) | 4% | 1,870 | 135 |
| Aucilla River | 17% | 363 | 255 |
| Aude | 13% | 535 | 214 |
| Auglaize River | 18% | 350 | 260 |
| Ausable River (Lake Huron) | 23% | 250 | 306 |
| Ave River | 24% | 233 | 319 |
| Avoca River | 22% | 266 | 297 |
| Avon River (Western Australia) | 16% | 395 | 245 |
| Awash River | 6% | 1,235 | 154 |
| Ayung River | 22% | 258 | 302 |
| Azusa River | 20% | 303 | 278 |
| Babai River | 22% | 270 | 295 |
| Bâc | 24% | 235 | 317 |
| Back River (Nunavut) | 8% | 918 | 173 |
| Bagmati River | 3% | 2,588 | 124 |
| Bahr al Jabal | 1% | 8,265 | 107 |
| Bahr el Ghazal River | 15% | 424 | 237 |
| Baitarani River | 4% | 1,713 | 138 |
| Bakırçay | 20% | 303 | 278 |
| Balikh River | 16% | 393 | 245 |
| Balonne River | 23% | 248 | 308 |
| Balsas River | 8% | 957 | 170 |
| Banas River | 6% | 1,154 | 158 |
| Bani River | 24% | 232 | 320 |
| Banister River | 23% | 248 | 308 |
| Barada | 9% | 769 | 185 |
| Barak River | 5% | 1,374 | 148 |
| Barakar River | 11% | 631 | 200 |
| Barito River | 11% | 651 | 197 |
| Baro River | 24% | 240 | 313 |
| Barron River (Queensland) | 22% | 261 | 300 |
| Barrow | 8% | 931 | 172 |
| Bartang River | 21% | 281 | 289 |
| Barwon River (New South Wales) | 15% | 426 | 237 |
| Barwon River (Victoria) | 18% | 352 | 259 |
| Bassac River | 16% | 402 | 243 |
| Batang Rajang | 10% | 743 | 187 |
| Batman Brook | 14% | 469 | 227 |
| Batten Kill | 12% | 565 | 210 |
| Battle River | 17% | 372 | 251 |
| Bayou Lafourche | 6% | 1,221 | 155 |
| Bayou Teche | 6% | 1,267 | 152 |
| Bear River (Great Salt Lake) | 5% | 1,367 | 148 |
| Beas River | 1% | 5,517 | 111 |
| Beaver River (Oklahoma) | 21% | 279 | 290 |
| Beaverhead River | 16% | 393 | 245 |
| Bega River (Tisza) | 15% | 430 | 236 |
| Belice | 25% | 230 | 322 |
| Belize River | 18% | 343 | 262 |
| Belle Fourche River | 13% | 541 | 213 |
| Ben Hai River | 24% | 242 | 312 |
| Bengawan Solo River | 11% | 659 | 196 |
| Beni River | 16% | 388 | 247 |
| Benue River | 6% | 1,208 | 155 |
| Berbice River | 23% | 254 | 304 |
| Berezina | 9% | 865 | 178 |
| Berg River | 21% | 289 | 285 |
| Bermejo | 23% | 254 | 304 |
| Besor River | 11% | 671 | 195 |
| Besòs | 23% | 248 | 308 |
| Betsie River | 18% | 353 | 259 |
| Betwa River | 5% | 1,453 | 145 |
| Bhadra River | 9% | 781 | 184 |
| Bhagirathi River | 3% | 2,603 | 124 |
| Bharathappuzha | 5% | 1,419 | 146 |
| Bhavani River | 6% | 1,232 | 154 |
| Bhima River | 4% | 2,065 | 132 |
| Bidasoa | 12% | 606 | 204 |
| Bièvre | 8% | 994 | 168 |
| Big Black River (Mississippi) | 16% | 409 | 241 |
| Big Blue River (Indiana) | 18% | 352 | 259 |
| Big Blue River (Kansas River tributary) | 22% | 268 | 296 |
| Big Darby Creek | 24% | 233 | 319 |
| Big Hole River | 11% | 654 | 197 |
| Big Lost River | 14% | 488 | 223 |
| Big Muddy River | 12% | 565 | 210 |
| Big River (Missouri) | 12% | 603 | 205 |
| Big Sioux River | 6% | 1,231 | 154 |
| Big Thompson River | 7% | 1,123 | 160 |
| Big Walnut Creek | 22% | 257 | 302 |
| Big Wood River | 20% | 295 | 281 |
| Biga River | 12% | 593 | 205 |
| Bighorn River | 6% | 1,166 | 157 |
| Bío Bío River | 15% | 416 | 239 |
| Bitterroot River | 13% | 533 | 215 |
| Black Drin | 9% | 868 | 177 |
| Black River (Arizona) | 18% | 345 | 262 |
| Black River (Arkansas–Missouri) | 10% | 679 | 194 |
| Black River (Asia) | 21% | 283 | 288 |
| Black River (Jamaica) | 25% | 231 | 321 |
| Black River (New York) | 10% | 755 | 186 |
| Black River (Wisconsin) | 13% | 509 | 218 |
| Black Volta | 13% | 514 | 218 |
| Black Warrior River | 6% | 1,330 | 150 |
| Blackfoot River (Montana) | 10% | 753 | 186 |
| Blackstone River | 9% | 870 | 177 |
| Blackwater River (Florida) | 17% | 368 | 252 |
| Blackwater River (Virginia) | 21% | 285 | 287 |
| Blackwater River (West Virginia) | 20% | 293 | 282 |
| Blackwood River | 22% | 267 | 297 |
| Blanco River (Texas) | 12% | 573 | 209 |
| Blue Earth River | 19% | 318 | 273 |
| Blue Nile | 1% | 7,243 | 108 |
| Blue River (Colorado) | 13% | 500 | 221 |
| Bóbr | 9% | 832 | 180 |
| Bogan River | 19% | 331 | 268 |
| Bogotá River | 24% | 240 | 313 |
| Bois de Sioux River | 13% | 532 | 215 |
| Boise River | 9% | 844 | 179 |
| Bolshoy Yenisei | 25% | 231 | 321 |
| Bosna | 7% | 1,096 | 161 |
| Bosque River | 22% | 261 | 300 |
| Bosut | 19% | 313 | 275 |
| Botan River | 20% | 305 | 278 |
| Boteti River | 17% | 361 | 255 |
| Bou Regreg | 13% | 546 | 213 |
| Bow River | 2% | 3,228 | 120 |
| Bow River (Kimberley region, Western Australia) | 25% | 229 | 323 |
| Brahmani River | 4% | 1,647 | 140 |
| Brahmaputra River | 0% | 21,408 | 102 |
| Branco River | 21% | 280 | 290 |
| Brandywine Creek (Christina River tributary) | 8% | 914 | 174 |
| Brantas River | 22% | 265 | 298 |
| Brazos River | 1% | 5,877 | 110 |
| Breede River | 15% | 447 | 232 |
| Breg | 3% | 2,540 | 125 |
| Brenta | 13% | 501 | 220 |
| Brisbane River | 3% | 2,300 | 129 |
| Broad River (Carolinas) | 10% | 766 | 186 |
| Bronx River | 3% | 2,742 | 123 |
| Brule River | 19% | 323 | 271 |
| Brule River (Minnesota) | 25% | 229 | 323 |
| Bubbly Creek | 6% | 1,297 | 151 |
| Budhabalanga River | 12% | 569 | 210 |
| Budhi Gandaki River | 11% | 640 | 199 |
| Buffalo Bayou | 4% | 1,978 | 133 |
| Buffalo National River (Arkansas) | 5% | 1,452 | 145 |
| Buffalo River (Eastern Cape) | 23% | 247 | 309 |
| Bukhan River | 23% | 255 | 303 |
| Buller River | 20% | 293 | 282 |
| Buna (Adriatic Sea) | 12% | 590 | 206 |
| Burdekin River | 12% | 561 | 211 |
| Burhi Gandak River | 6% | 1,149 | 158 |
| Burnett River | 21% | 280 | 290 |
| Busento | 21% | 287 | 286 |
| Cacapon River | 17% | 357 | 257 |
| Cache la Poudre River | 8% | 877 | 176 |
| Cache River (Illinois) | 12% | 582 | 207 |
| Cagayan River | 5% | 1,573 | 142 |
| Cahaba River | 11% | 648 | 198 |
| Calcasieu River | 14% | 483 | 224 |
| Caledon River | 17% | 365 | 254 |
| Caloosahatchee River | 6% | 1,193 | 156 |
| Calumet River | 5% | 1,366 | 148 |
| Campaspe River | 23% | 255 | 303 |
| Canadian River | 2% | 4,877 | 114 |
| Cane River | 12% | 604 | 205 |
| Caney Fork | 9% | 806 | 182 |
| Caniapiscau River | 24% | 241 | 313 |
| Cannon River (Minnesota) | 18% | 354 | 258 |
| Caño Cristales | 3% | 2,369 | 127 |
| Cape Fear River | 1% | 5,746 | 110 |
| Capilano River | 20% | 301 | 279 |
| Caroní River | 17% | 367 | 253 |
| Carson River | 11% | 610 | 203 |
| Casamance River | 22% | 261 | 300 |
| Casiquiare canal | 5% | 1,519 | 143 |
| Castlereagh River | 22% | 260 | 301 |
| Catatumbo River | 11% | 644 | 199 |
| Catawba River | 4% | 1,856 | 136 |
| Cattaraugus Creek | 24% | 238 | 315 |
| Cauca River | 11% | 651 | 197 |
| Cauto River | 22% | 266 | 297 |
| Cedar River (Iowa River tributary) | 12% | 599 | 205 |
| Cedar River (Washington) | 11% | 611 | 203 |
| Cem River | 20% | 299 | 280 |
| Cephissus (Boeotia) | 18% | 336 | 266 |
| Cetina | 8% | 994 | 168 |
| Ceyhan River | 17% | 369 | 252 |
| Ch'ongch'on River | 15% | 418 | 238 |
| Chagres River | 8% | 968 | 170 |
| Chagrin River | 14% | 496 | 222 |
| Chalakudy River | 14% | 479 | 225 |
| Chaliyar | 16% | 382 | 248 |
| Chambal River | 1% | 6,025 | 110 |
| Chambeshi River | 9% | 777 | 185 |
| Chao Phraya River | 1% | 5,426 | 111 |
| Charente | 13% | 504 | 219 |
| Chari River | 6% | 1,211 | 155 |
| Charles River | 1% | 5,300 | 112 |
| Chattahoochee River | 1% | 7,696 | 108 |
| Chattooga River | 6% | 1,318 | 150 |
| Cheakamus River | 15% | 431 | 236 |
| Cheat River | 11% | 664 | 196 |
| Chehalis River | 15% | 434 | 235 |
| Chelif River | 15% | 448 | 232 |
| Chena River | 12% | 605 | 204 |
| Chenab River | 1% | 6,366 | 110 |
| Chenango River | 17% | 372 | 251 |
| Cher | 16% | 397 | 244 |
| Chetco River | 16% | 406 | 242 |
| Cheyenne River | 10% | 711 | 190 |
| Chi River | 24% | 238 | 315 |
| Chicago River | 1% | 10,936 | 105 |
| Chickahominy River | 11% | 656 | 197 |
| Chilia branch | 22% | 272 | 294 |
| Chindwin River | 11% | 666 | 196 |
| Chipola River | 17% | 366 | 254 |
| Chippewa River (Wisconsin) | 10% | 722 | 189 |
| Chishui River | 22% | 271 | 295 |
| Choctawhatchee River | 13% | 520 | 217 |
| Choluteca River | 20% | 290 | 284 |
| Choptank River | 11% | 628 | 201 |
| Chowan River | 16% | 413 | 240 |
| Christina River | 13% | 539 | 214 |
| Chu River | 13% | 537 | 214 |
| Chubut River | 13% | 531 | 215 |
| Chulym (Ob) | 19% | 315 | 274 |
| Churchill River (Atlantic) | 8% | 928 | 173 |
| Churchill River (Hudson Bay) | 6% | 1,184 | 157 |
| Ci Tarum | 6% | 1,191 | 156 |
| Cibolo Creek | 18% | 339 | 264 |
| Ciliwung River | 17% | 366 | 254 |
| Cimarron River (Arkansas River tributary) | 7% | 1,111 | 161 |
| Clackamas River | 15% | 443 | 233 |
| Clarence River (New South Wales) | 12% | 604 | 205 |
| Clarion River | 18% | 354 | 258 |
| Clark Fork | 3% | 2,390 | 127 |
| Clarks Fork Yellowstone River | 19% | 331 | 268 |
| Clear Creek (Colorado) | 10% | 691 | 192 |
| Clearwater River (Idaho) | 9% | 798 | 183 |
| Clinch River | 7% | 1,042 | 164 |
| Clinton River (Michigan) | 18% | 337 | 265 |
| Clutha River / Mata-Au | 11% | 659 | 196 |
| Coatzacoalcos River | 16% | 412 | 240 |
| Coca River | 21% | 282 | 289 |
| Coco River | 19% | 314 | 274 |
| Coeur d'Alene River | 24% | 238 | 315 |
| Colorado River (Argentina) | 14% | 456 | 229 |
| Colorado River (Grand Canyon) | 0% | 35,076 | 101 |
| Colorado River (Texas) | 1% | 5,653 | 111 |
| Columbia River | 0% | 21,480 | 102 |
| Colville River (Alaska) | 21% | 289 | 285 |
| Comal River | 10% | 688 | 192 |
| Conasauga River | 20% | 291 | 284 |
| Concho River | 17% | 368 | 252 |
| Condamine River | 13% | 515 | 217 |
| Conecuh River | 21% | 276 | 292 |
| Conejos River | 21% | 285 | 287 |
| Conemaugh River | 16% | 386 | 247 |
| Conestoga River | 11% | 650 | 198 |
| Congaree River | 13% | 545 | 213 |
| Connecticut River | 1% | 6,392 | 109 |
| Connoquenessing Creek | 22% | 266 | 297 |
| Contoocook River | 17% | 380 | 249 |
| Cooks River | 14% | 486 | 223 |
| Cooper Creek | 7% | 1,072 | 163 |
| Cooper River (South Carolina) | 9% | 772 | 185 |
| Coosa River | 6% | 1,224 | 154 |
| Cooum River | 3% | 2,389 | 127 |
| Coppename River | 19% | 317 | 273 |
| Copper River (Alaska) | 5% | 1,614 | 141 |
| Coppermine River | 10% | 716 | 190 |
| Coquihalla River | 24% | 233 | 319 |
| Coquille River (Oregon) | 25% | 230 | 322 |
| Çoruh | 17% | 356 | 257 |
| Cosumnes River | 14% | 454 | 230 |
| Couesnon | 18% | 346 | 261 |
| Courantyne River | 19% | 321 | 272 |
| Cowlitz River | 11% | 634 | 199 |
| Cowpasture River | 24% | 242 | 312 |
| Coyote Creek (Santa Clara County) | 19% | 312 | 275 |
| Crab Creek | 21% | 274 | 293 |
| Credit River | 9% | 824 | 180 |
| Crișul Repede River | 23% | 246 | 309 |
| Crocodile River (Mpumalanga) | 15% | 441 | 234 |
| Crooked River (Oregon) | 19% | 318 | 273 |
| Cross River (Nigeria) | 11% | 623 | 201 |
| Crow Wing River | 25% | 226 | 325 |
| Cuando River | 12% | 555 | 211 |
| Cuanza River | 12% | 605 | 204 |
| Cumberland River | 1% | 5,474 | 111 |
| Cunene River | 12% | 561 | 211 |
| Current River (Ozarks) | 7% | 1,019 | 166 |
| Cuyahoga River | 1% | 7,121 | 109 |
| D River | 6% | 1,177 | 157 |
| Dadu River | 11% | 630 | 201 |
| Daintree River | 11% | 619 | 202 |
| Dajabón River | 13% | 524 | 216 |
| Dalälven | 17% | 377 | 250 |
| Daly River (Northern Territory) | 21% | 286 | 286 |
| Daman Ganga River | 14% | 461 | 228 |
| Dâmbovița River | 9% | 811 | 182 |
| Damodar River | 3% | 2,662 | 124 |
| Dan River (Virginia) | 10% | 734 | 188 |
| Dangqu | 9% | 813 | 181 |
| Danube | 0% | 105,114 | 100 |
| Darling River | 4% | 1,825 | 136 |
| Dasht River | 24% | 238 | 315 |
| Daugava | 2% | 3,980 | 117 |
| Dawa River | 23% | 248 | 308 |
| Debed | 25% | 230 | 322 |
| Deduru Oya | 24% | 239 | 314 |
| Deep River (North Carolina) | 15% | 446 | 232 |
| Deerfield River | 15% | 423 | 237 |
| Delaware River | 1% | 8,873 | 107 |
| Delta River | 19% | 331 | 268 |
| Demerara River | 14% | 494 | 222 |
| Des Moines River | 5% | 1,445 | 146 |
| Des Plaines River | 2% | 2,809 | 122 |
| Deschutes River (Oregon) | 5% | 1,533 | 142 |
| Deschutes River (Washington) | 14% | 458 | 229 |
| Desna | 13% | 514 | 218 |
| Detroit River | 1% | 4,948 | 113 |
| Devils River (Texas) | 7% | 1,032 | 165 |
| Dhaleshwari River | 22% | 272 | 294 |
| Dhauliganga River | 15% | 448 | 232 |
| Diamantina River | 13% | 501 | 220 |
| Dibang River | 16% | 414 | 240 |
| Dihing River | 15% | 421 | 238 |
| Dim River | 18% | 334 | 266 |
| Dirty Devil River | 18% | 354 | 258 |
| Dismal River | 23% | 249 | 307 |
| Diyala River | 11% | 633 | 200 |
| Dnieper | 0% | 11,823 | 104 |
| Dniester | 1% | 5,329 | 112 |
| Doce River | 23% | 251 | 305 |
| Dolores River | 13% | 530 | 215 |
| Dom Noi River | 23% | 249 | 307 |
| Dommel | 21% | 278 | 291 |
| Don (Russia) | 2% | 4,556 | 115 |
| Donets | 5% | 1,342 | 149 |
| Dong Nai River | 23% | 250 | 306 |
| Dora Baltea | 17% | 380 | 249 |
| Dordogne | 5% | 1,549 | 142 |
| Double Mountain Fork Brazos River | 23% | 245 | 310 |
| Doubs | 10% | 735 | 188 |
| Douro River | 1% | 9,276 | 106 |
| Douve | 25% | 231 | 321 |
| Draa River | 6% | 1,296 | 151 |
| Drava | 3% | 2,720 | 123 |
| Dreisam | 17% | 358 | 256 |
| Drin | 7% | 1,117 | 160 |
| Drina | 3% | 2,357 | 128 |
| Dubawnt River | 17% | 380 | 249 |
| Duck River (Tennessee) | 6% | 1,214 | 155 |
| Dulce River (Guatemala) | 17% | 359 | 256 |
| Dunajec | 10% | 713 | 190 |
| DuPage River | 13% | 536 | 214 |
| Durance | 9% | 790 | 184 |
| Duwamish River | 2% | 3,796 | 117 |
| Dyle / Dijle | 15% | 438 | 234 |
| Eagle River (Colorado) | 21% | 278 | 291 |
| East Branch Delaware River | 22% | 262 | 299 |
| Ebola River | 5% | 1,409 | 147 |
| Ebro | 1% | 6,707 | 109 |
| Econlockhatchee River | 10% | 702 | 191 |
| Eder (Fulda) | 20% | 297 | 280 |
| Edisto River | 12% | 579 | 208 |
| Edo River | 15% | 437 | 235 |
| Eel River (California) | 6% | 1,209 | 155 |
| Eel River (Wabash River tributary) | 21% | 284 | 288 |
| Eider | 8% | 918 | 173 |
| Eisack | 20% | 300 | 279 |
| Eisbach (Isar) | 2% | 2,816 | 122 |
| Elbe | 0% | 14,797 | 103 |
| Elbow River | 14% | 453 | 230 |
| Elk River (Tennessee River tributary) | 20% | 297 | 280 |
| Elk River (West Virginia) | 13% | 502 | 220 |
| Elkhorn River | 19% | 325 | 270 |
| Elsa | 22% | 256 | 302 |
| Elwha River | 9% | 770 | 185 |
| Elz (Rhine) | 20% | 304 | 278 |
| Emajõgi | 15% | 434 | 235 |
| Emba River | 24% | 238 | 315 |
| Embarras River (Illinois) | 18% | 354 | 258 |
| Ems | 7% | 1,133 | 159 |
| Emscher | 22% | 263 | 299 |
| Endeavour River | 20% | 308 | 277 |
| English River (Ontario) | 20% | 310 | 276 |
| Enguri | 21% | 289 | 285 |
| Enns | 11% | 634 | 199 |
| Epte | 16% | 394 | 245 |
| Escalante River | 22% | 259 | 301 |
| Escravos River | 20% | 310 | 276 |
| Esla | 20% | 301 | 279 |
| Esopus Creek | 9% | 778 | 185 |
| Essequibo River | 5% | 1,495 | 144 |
| Etowah River | 10% | 702 | 191 |
| Euphrates | 0% | 24,286 | 102 |
| Eure | 25% | 227 | 324 |
| Eurotas | 10% | 718 | 190 |
| Ewaso Ng'iro | 7% | 1,092 | 162 |
| Fall Creek (Indiana) | 16% | 392 | 245 |
| Farmington River | 14% | 492 | 222 |
| Feather River | 7% | 1,137 | 159 |
| Fen River | 19% | 314 | 274 |
| Finke River | 2% | 3,343 | 119 |
| Finlay River | 16% | 383 | 248 |
| Fish River (Namibia) | 23% | 244 | 311 |
| Fisheating Creek | 24% | 234 | 318 |
| Fishkill Creek | 25% | 228 | 323 |
| Fitzroy River (Queensland) | 3% | 2,571 | 125 |
| Fitzroy River (Western Australia) | 6% | 1,259 | 152 |
| Flambeau River | 19% | 318 | 273 |
| Flathead River | 9% | 805 | 182 |
| Flatrock River | 24% | 234 | 318 |
| Flinders River | 15% | 443 | 233 |
| Flint River (Georgia) | 6% | 1,195 | 156 |
| Flint River (Michigan) | 9% | 794 | 183 |
| Fly River | 5% | 1,348 | 149 |
| Fontanka | 17% | 374 | 251 |
| Fox River (Green Bay tributary) | 4% | 2,009 | 133 |
| Fox River (Illinois River tributary) | 3% | 2,689 | 123 |
| Franklin River | 15% | 441 | 234 |
| Fraser River | 1% | 6,191 | 110 |
| French Broad River | 2% | 3,697 | 118 |
| French Creek (Allegheny River tributary) | 20% | 306 | 277 |
| French River (Ontario) | 6% | 1,235 | 154 |
| Frio River | 4% | 1,775 | 137 |
| Fuji River | 22% | 263 | 299 |
| Fulda | 17% | 355 | 257 |
| Futaleufú River | 19% | 327 | 270 |
| Fyris | 24% | 239 | 314 |
| Gacka | 22% | 263 | 299 |
| Galena River (Illinois) | 23% | 253 | 305 |
| Gallatin River | 9% | 781 | 184 |
| Gambia River | 3% | 2,758 | 123 |
| Gamtoos River | 18% | 351 | 259 |
| Gan River | 24% | 243 | 312 |
| Gandaki River | 0% | 17,419 | 103 |
| Ganges | 0% | 40,030 | 101 |
| Gardon | 18% | 354 | 258 |
| Garigliano | 14% | 463 | 228 |
| Garonne | 2% | 3,542 | 118 |
| Gasconade River | 11% | 672 | 195 |
| Gascoyne River | 17% | 376 | 250 |
| Gatineau River | 16% | 410 | 241 |
| Gauja | 14% | 454 | 230 |
| Gaula River (India) | 15% | 442 | 233 |
| Gauley River | 9% | 873 | 177 |
| Gave de Pau River | 16% | 413 | 240 |
| Geba River | 24% | 241 | 313 |
| Gediz River | 15% | 443 | 233 |
| Genesee River | 4% | 2,003 | 133 |
| Genil | 22% | 258 | 302 |
| Georges River | 12% | 559 | 211 |
| Geum River | 17% | 380 | 249 |
| Ghaggar-Hakra river | 2% | 4,875 | 114 |
| Ghaghara River | 1% | 4,879 | 113 |
| Gila River | 2% | 3,568 | 118 |
| Glenelg River (Victoria) | 24% | 235 | 317 |
| Glomma | 8% | 902 | 175 |
| Godavari River | 0% | 14,235 | 104 |
| Golok River | 19% | 319 | 272 |
| Gomal River | 17% | 373 | 251 |
| Gomti River | 3% | 2,396 | 127 |
| Gordon River | 25% | 228 | 323 |
| Göta älv | 8% | 888 | 176 |
| Goulburn River | 11% | 661 | 196 |
| Grand River (Michigan) | 3% | 2,497 | 126 |
| Grand River (Missouri) | 18% | 342 | 263 |
| Grand River (Ohio) | 16% | 391 | 246 |
| Grand River (Ontario) | 3% | 2,345 | 128 |
| Grand River (South Dakota) | 8% | 887 | 176 |
| Grande Ronde River | 12% | 605 | 204 |
| Great Bear River | 25% | 229 | 323 |
| Great Fish River | 10% | 725 | 189 |
| Great Kei River | 16% | 385 | 247 |
| Great Menderes River | 5% | 1,534 | 142 |
| Great Miami River | 3% | 2,135 | 131 |
| Great Morava | 5% | 1,336 | 149 |
| Great Whale River | 19% | 331 | 268 |
| Great Zab | 6% | 1,240 | 153 |
| Green River (Colorado River tributary) | 2% | 2,876 | 122 |
| Green River (Duwamish River tributary) | 3% | 2,188 | 130 |
| Green River (Kentucky) | 4% | 1,706 | 138 |
| Green River (North Fork Toutle River tributary) | 25% | 231 | 321 |
| Greenbrier River | 14% | 452 | 230 |
| Grijalva River | 13% | 520 | 217 |
| Guadalete | 20% | 294 | 282 |
| Guadalevín | 21% | 279 | 290 |
| Guadalhorce | 16% | 404 | 242 |
| Guadalmedina | 14% | 477 | 225 |
| Guadalquivir | 1% | 5,585 | 111 |
| Guadalupe River (California) | 11% | 641 | 199 |
| Guadalupe River (Texas) | 3% | 2,716 | 123 |
| Guadiana | 5% | 1,465 | 145 |
| Guaporé River | 21% | 278 | 291 |
| Guaviare River | 24% | 239 | 314 |
| Guayas River | 17% | 367 | 253 |
| Gudbrandsdalslågen | 22% | 268 | 296 |
| Gudenå | 14% | 457 | 229 |
| Gunnison River | 7% | 1,090 | 162 |
| Guyandotte River | 17% | 373 | 251 |
| Gwydir River | 23% | 248 | 308 |
| Hackensack River | 7% | 1,145 | 159 |
| Hai River | 7% | 1,063 | 163 |
| Haliacmon | 8% | 892 | 175 |
| Han River (Guangdong) | 25% | 230 | 322 |
| Han River (Hubei and Shaanxi) | 11% | 669 | 195 |
| Han River (Korea) | 1% | 6,104 | 110 |
| Hanford Reach | 22% | 259 | 301 |
| Hantan River | 16% | 402 | 243 |
| Hari River (Afghanistan) | 10% | 676 | 194 |
| Harricana River | 25% | 227 | 324 |
| Hasbani River | 10% | 730 | 188 |
| Hasdeo River | 20% | 305 | 278 |
| Hase | 23% | 246 | 309 |
| Hatchie River | 24% | 234 | 318 |
| Havel | 4% | 1,769 | 137 |
| Haw River | 12% | 593 | 205 |
| Hawkesbury River | 4% | 1,639 | 140 |
| Hayes River | 17% | 378 | 250 |
| Helmand River | 4% | 1,860 | 135 |
| Hemavati River | 7% | 1,132 | 160 |
| Henrys Fork (Snake River tributary) | 12% | 565 | 210 |
| Hérault | 23% | 247 | 309 |
| Herbert River | 16% | 406 | 242 |
| High Rhine | 8% | 921 | 173 |
| Hillsborough River (Florida) | 13% | 544 | 213 |
| Hindon River | 6% | 1,326 | 150 |
| Hingol River | 19% | 331 | 268 |
| Hinterrhein | 18% | 351 | 259 |
| Hiwassee River | 8% | 905 | 175 |
| Hocking River | 12% | 548 | 212 |
| Hoh River | 12% | 607 | 204 |
| Holston River | 7% | 1,028 | 165 |
| Hongshui River | 25% | 231 | 321 |
| Hooghly River | 1% | 5,126 | 113 |
| Hoosic River | 14% | 464 | 227 |
| Hornád | 25% | 230 | 322 |
| Hotan River | 13% | 511 | 218 |
| Housatonic River | 3% | 2,368 | 128 |
| Hrazdan River | 22% | 270 | 295 |
| Hron | 13% | 507 | 219 |
| Huai River | 4% | 1,951 | 134 |
| Huallaga River | 11% | 632 | 200 |
| Huangpu River | 4% | 1,969 | 134 |
| Hudson River | 0% | 27,528 | 101 |
| Humber River (Ontario) | 6% | 1,285 | 151 |
| Humboldt River | 4% | 1,991 | 133 |
| Hunter River (New South Wales) | 13% | 515 | 217 |
| Hunza River | 13% | 502 | 220 |
| Huron River | 7% | 1,120 | 160 |
| Ialomița River | 24% | 237 | 316 |
| Ib River | 20% | 302 | 279 |
| Ibar | 2% | 3,252 | 119 |
| Iguazu River | 6% | 1,148 | 158 |
| IJssel | 4% | 1,689 | 139 |
| Ili River | 5% | 1,496 | 143 |
| Ilisos | 12% | 607 | 204 |
| Ill (France) | 9% | 864 | 178 |
| Iller | 19% | 320 | 272 |
| Illinois River (Arkansas–Oklahoma) | 12% | 590 | 206 |
| Illinois River (Illinois) | 2% | 4,631 | 114 |
| Illinois River (Oregon) | 21% | 281 | 289 |
| Ilz | 21% | 281 | 289 |
| Imjin River | 8% | 944 | 171 |
| Imo River | 16% | 397 | 244 |
| Inde | 23% | 246 | 309 |
| Indigirka | 17% | 358 | 256 |
| Indravati River | 5% | 1,389 | 148 |
| Indus River | 0% | 25,544 | 102 |
| Inhulets River | 23% | 250 | 306 |
| Inn | 2% | 2,990 | 121 |
| Iowa River | 9% | 819 | 181 |
| Irrawaddy River | 1% | 4,941 | 113 |
| Irtysh | 2% | 3,517 | 119 |
| Isar | 1% | 4,891 | 113 |
| Isère | 10% | 738 | 188 |
| Ishikari River | 13% | 497 | 221 |
| Ishim | 13% | 528 | 216 |
| Iskar | 11% | 646 | 198 |
| Jackson River (Virginia) | 20% | 292 | 283 |
| Jalangi River | 13% | 508 | 219 |
| Jaldhaka River | 17% | 367 | 253 |
| James River (Dakotas) | 11% | 672 | 195 |
| James River (Missouri) | 16% | 381 | 248 |
| James River (Virginia) | 2% | 4,283 | 116 |
| Jamuna River (Bangladesh) | 5% | 1,444 | 146 |
| Japurá River | 12% | 588 | 207 |
| Jarama | 12% | 581 | 208 |
| Jasenička | 18% | 343 | 262 |
| Jefferson River | 9% | 821 | 181 |
| Jerez | 18% | 343 | 262 |
| Jerma | 18% | 343 | 262 |
| Jhelum River | 1% | 5,469 | 111 |
| Jialing River | 14% | 475 | 226 |
| Jin River (Sichuan) | 15% | 437 | 235 |
| Jinsha River | 5% | 1,511 | 143 |
| Jinzū River | 23% | 255 | 303 |
| Jiu River | 20% | 291 | 284 |
| Jizera | 23% | 254 | 304 |
| John Day River | 12% | 572 | 209 |
| Jökulsá á Fjöllum | 20% | 297 | 280 |
| Jordan River (Middle East) | 0% | 20,051 | 102 |
| Jordan River (Utah) | 7% | 1,143 | 159 |
| Jubba River | 7% | 1,029 | 165 |
| Júcar | 15% | 450 | 231 |
| Judith River | 19% | 314 | 274 |
| Juniata River | 9% | 811 | 182 |
| Juruá River | 16% | 396 | 244 |
| Kabini River | 2% | 3,197 | 120 |
| Kabul River | 4% | 1,743 | 138 |
| Kaduna River | 23% | 246 | 309 |
| Kafue River | 12% | 591 | 206 |
| Kagera River | 4% | 1,711 | 138 |
| Kaladan River | 14% | 476 | 225 |
| Kalama River | 23% | 253 | 305 |
| Kalamazoo River | 11% | 645 | 198 |
| Kalchyk | 21% | 280 | 290 |
| Kali Bein | 19% | 319 | 272 |
| Kali River (Karnataka) | 7% | 1,009 | 167 |
| Kali Sindh River | 12% | 575 | 209 |
| Kallada River | 17% | 371 | 252 |
| Kalmius | 21% | 276 | 292 |
| Kalu River | 15% | 428 | 236 |
| Kama | 7% | 1,118 | 160 |
| Kamala River | 9% | 805 | 182 |
| Kamchiya | 22% | 256 | 302 |
| Kameng River | 17% | 371 | 252 |
| Kaministiquia River | 15% | 421 | 238 |
| Kamo River | 6% | 1,291 | 151 |
| Kananaskis River | 24% | 233 | 319 |
| Kanas | 24% | 241 | 313 |
| Kanawha River | 3% | 2,468 | 126 |
| Kankai River | 22% | 266 | 297 |
| Kankakee River | 6% | 1,320 | 150 |
| Kansas River | 3% | 2,360 | 128 |
| Kapuas River | 7% | 1,122 | 160 |
| Kara | 24% | 235 | 317 |
| Kara Darya | 20% | 292 | 283 |
| Karakash River | 16% | 398 | 244 |
| Karamenderes River | 4% | 1,669 | 139 |
| Karašica (Drava) | 18% | 344 | 262 |
| Karasu River (Euphrates) | 13% | 513 | 218 |
| Karkheh River | 18% | 353 | 259 |
| Karnaphuli | 17% | 370 | 252 |
| Karun River | 5% | 1,393 | 147 |
| Kasai River | 10% | 693 | 192 |
| Kaskaskia River | 11% | 642 | 199 |
| Katsura River | 19% | 321 | 272 |
| Katun | 18% | 354 | 258 |
| Kaveri | 0% | 15,226 | 103 |
| Kavik River | 16% | 408 | 241 |
| Kawarau River | 15% | 433 | 235 |
| Kaweah River | 11% | 631 | 200 |
| Kazan River | 18% | 354 | 258 |
| Keelung River | 23% | 251 | 305 |
| Kelani River | 11% | 649 | 198 |
| Kemijoki | 15% | 438 | 234 |
| Ken River | 8% | 910 | 174 |
| Kenai River | 7% | 1,144 | 159 |
| Kenduskeag Stream | 16% | 399 | 243 |
| Kennebec River | 1% | 6,615 | 109 |
| Kentucky River | 4% | 1,656 | 140 |
| Keriya He | 11% | 642 | 199 |
| Kern River | 2% | 2,831 | 122 |
| Khabur River | 9% | 831 | 180 |
| Khalkhyn River | 10% | 675 | 194 |
| Kherlen River | 12% | 576 | 209 |
| Khwae Noi River | 4% | 1,867 | 135 |
| Khwae Yai River | 4% | 2,088 | 132 |
| Kicking Horse River | 12% | 607 | 204 |
| Kiewa River | 23% | 254 | 304 |
| Kinabatangan River | 7% | 1,011 | 166 |
| Kings River (California) | 7% | 1,002 | 167 |
| Kinzig (Rhine) | 21% | 275 | 293 |
| Kishon River | 10% | 734 | 188 |
| Kishwaukee River | 17% | 369 | 252 |
| Kiso River | 19% | 327 | 270 |
| Kissimmee River | 7% | 1,026 | 166 |
| Kitakami River | 19% | 315 | 274 |
| Kızılırmak River | 4% | 1,835 | 136 |
| Klamath River | 2% | 3,173 | 120 |
| Klang River | 11% | 627 | 201 |
| Klarälven | 13% | 543 | 213 |
| Klip River (Gauteng) | 24% | 243 | 312 |
| Klondike River | 9% | 865 | 178 |
| Klyazma | 25% | 230 | 322 |
| Knife River | 24% | 239 | 314 |
| Kobuk River | 19% | 321 | 272 |
| Kok River | 8% | 969 | 169 |
| Kokcha River | 22% | 262 | 299 |
| Kokosing River | 14% | 477 | 225 |
| Kolubara | 20% | 304 | 278 |
| Kolyma | 11% | 663 | 196 |
| Komati River | 17% | 358 | 256 |
| Kootenay River | 4% | 2,021 | 132 |
| Kopili River | 17% | 356 | 257 |
| Korana | 20% | 298 | 280 |
| Körös River | 19% | 325 | 270 |
| Kosi River | 1% | 10,819 | 105 |
| Kosi River (Uttarakhand) | 10% | 763 | 186 |
| Koyna River | 13% | 505 | 219 |
| Koyukuk River | 16% | 381 | 248 |
| Krasnaya River | 22% | 271 | 295 |
| Krishna River | 1% | 9,001 | 106 |
| Krka (Croatia) | 15% | 421 | 238 |
| Krka (Sava) | 19% | 311 | 275 |
| Kuban | 9% | 855 | 178 |
| Küçük Menderes River | 21% | 279 | 290 |
| Kuiseb River | 24% | 239 | 314 |
| Kunar River | 18% | 334 | 266 |
| Kundar River | 6% | 1,161 | 158 |
| Kunhar River | 17% | 358 | 256 |
| Kupa | 10% | 711 | 190 |
| Kura River (South Caucasus river) | 4% | 1,858 | 135 |
| Kurram River | 23% | 246 | 309 |
| Kushiyara River | 24% | 233 | 319 |
| Kuskokwim River | 6% | 1,189 | 156 |
| Kvichak River | 22% | 258 | 302 |
| Kwango River | 19% | 324 | 271 |
| Kwilu River | 24% | 243 | 312 |
| Kymi River | 21% | 282 | 289 |
| La Grande River | 12% | 559 | 211 |
| Lachlan River | 11% | 644 | 199 |
| Lackawanna River | 12% | 549 | 212 |
| Ladon | 18% | 349 | 260 |
| Lahn | 12% | 583 | 207 |
| Lamar River | 14% | 486 | 223 |
| Lamoille River | 24% | 238 | 315 |
| Laramie River | 14% | 475 | 226 |
| Latah Creek | 25% | 228 | 323 |
| Leaf River (Mississippi) | 23% | 251 | 305 |
| Lech | 8% | 939 | 172 |
| Lee | 8% | 946 | 171 |
| Lehigh River | 6% | 1,169 | 157 |
| Leine | 14% | 487 | 223 |
| Leitha | 5% | 1,372 | 148 |
| Lek | 17% | 380 | 249 |
| Lempa River | 19% | 311 | 275 |
| Lena River | 1% | 5,339 | 112 |
| Leon River | 21% | 289 | 285 |
| Lerma River | 13% | 497 | 221 |
| Levisa Fork | 24% | 235 | 317 |
| Lewis River (Washington) | 15% | 445 | 232 |
| Lhasa River | 16% | 393 | 245 |
| Li River | 4% | 1,849 | 136 |
| Liao River | 7% | 1,027 | 165 |
| Liard River | 8% | 949 | 171 |
| Licking River (Kentucky) | 7% | 997 | 167 |
| Liffey | 2% | 4,142 | 116 |
| Lim | 14% | 473 | 226 |
| Lima River | 20% | 291 | 284 |
| Limbang River | 6% | 1,169 | 157 |
| Limmat | 5% | 1,542 | 142 |
| Limpopo River | 2% | 3,573 | 118 |
| Linth | 21% | 287 | 286 |
| Lippe | 15% | 451 | 231 |
| Liri | 18% | 351 | 259 |
| Litani River | 3% | 2,285 | 129 |
| Little Bighorn River | 4% | 1,939 | 134 |
| Little Colorado River | 6% | 1,223 | 154 |
| Little Kanawha River | 20% | 300 | 279 |
| Little Miami River | 8% | 888 | 176 |
| Little Missouri River (North Dakota) | 11% | 672 | 195 |
| Little Ouse River | 19% | 317 | 273 |
| Little Pigeon River (Tennessee) | 0% | 20,254 | 102 |
| Little River (East Tennessee) | 17% | 367 | 253 |
| Little Tennessee River | 8% | 891 | 175 |
| Little Zab | 14% | 464 | 227 |
| Ljubljanica | 8% | 964 | 170 |
| Llano River | 13% | 529 | 216 |
| Loa River | 16% | 409 | 241 |
| Loboc | 21% | 282 | 289 |
| Lochsa River | 18% | 342 | 263 |
| Loddon River | 19% | 328 | 269 |
| Logan River (Queensland) | 22% | 267 | 297 |
| Logone River | 22% | 266 | 297 |
| Lohit River | 9% | 789 | 184 |
| Loir | 19% | 330 | 269 |
| Loire | 1% | 9,649 | 106 |
| Loisach | 15% | 430 | 236 |
| Los Angeles River | 1% | 8,994 | 107 |
| Lost River (California) | 21% | 287 | 286 |
| Lot | 9% | 779 | 184 |
| Loukkos River | 24% | 240 | 313 |
| Loup River | 17% | 362 | 255 |
| Lualaba River | 4% | 1,660 | 140 |
| Luangwa River | 13% | 541 | 213 |
| Luapula River | 16% | 384 | 248 |
| Lukuga River | 8% | 991 | 168 |
| Lule River | 17% | 356 | 257 |
| Lumber River | 12% | 593 | 205 |
| Luni River | 3% | 2,384 | 127 |
| Luo River (Henan) | 16% | 394 | 245 |
| Lusatian Nysa | 7% | 1,078 | 162 |
| Lütschine | 25% | 226 | 325 |
| Lyari River | 21% | 278 | 291 |
| Lynches River | 24% | 237 | 316 |
| Lys | 11% | 625 | 201 |
| Mackenzie River | 1% | 9,603 | 106 |
| Macleay River | 23% | 255 | 303 |
| Mad River (California) | 15% | 450 | 231 |
| Mad River (Ohio) | 10% | 728 | 189 |
| Madawaska River (Ontario) | 13% | 497 | 221 |
| Madeira River | 4% | 1,658 | 140 |
| Madison River | 2% | 2,968 | 121 |
| Madre de Dios River | 10% | 698 | 191 |
| Mae Klong | 12% | 582 | 207 |
| Magdalena River | 3% | 2,740 | 123 |
| Magnetawan River | 25% | 230 | 322 |
| Magra | 22% | 261 | 300 |
| Mahakam River | 12% | 579 | 208 |
| Mahanadi | 2% | 4,778 | 114 |
| Mahananda River | 5% | 1,389 | 148 |
| Mahaweli River | 6% | 1,160 | 158 |
| Mahi River | 5% | 1,494 | 144 |
| Mahoning River | 11% | 658 | 197 |
| Main | 2% | 4,763 | 114 |
| Malacca River | 18% | 334 | 266 |
| Malagarasi River | 22% | 272 | 294 |
| Malheur River | 19% | 331 | 268 |
| Mamberamo River | 14% | 494 | 222 |
| Mamoré River | 20% | 297 | 280 |
| Manas River (India) | 12% | 580 | 208 |
| Manatee River | 16% | 399 | 243 |
| Manavgat River | 21% | 286 | 286 |
| Manawatū River | 21% | 278 | 291 |
| Mandakini River | 3% | 2,706 | 123 |
| Mandovi River | 4% | 1,746 | 137 |
| Manistee River | 12% | 586 | 207 |
| Manjira River | 7% | 1,060 | 163 |
| Manning River | 16% | 407 | 241 |
| Mantaro River | 9% | 819 | 181 |
| Manych | 21% | 285 | 287 |
| Manzanares | 4% | 1,760 | 137 |
| Mapocho River | 15% | 448 | 232 |
| Maputo River | 21% | 288 | 285 |
| Mara River | 4% | 1,898 | 135 |
| Marais des Cygnes River | 13% | 528 | 216 |
| Marañón River | 6% | 1,268 | 152 |
| Mareb River | 22% | 267 | 297 |
| Marghab River | 19% | 333 | 267 |
| Marias River | 13% | 539 | 214 |
| Maribyrnong River | 13% | 514 | 218 |
| Marikina River | 5% | 1,340 | 149 |
| Maritsa | 3% | 2,582 | 124 |
| Markarfljót | 11% | 663 | 196 |
| Marne | 4% | 1,742 | 138 |
| Maroni | 20% | 309 | 276 |
| Marshyangdi | 14% | 459 | 229 |
| Marusudar River | 17% | 357 | 257 |
| Mary River (Northern Territory) | 21% | 285 | 287 |
| Mary River (Queensland) | 10% | 729 | 188 |
| Mat | 23% | 254 | 304 |
| Matanuska River | 20% | 300 | 279 |
| Matanza River | 20% | 300 | 279 |
| Mattaponi River | 20% | 291 | 284 |
| Mattawa River | 20% | 302 | 279 |
| Mattole River | 13% | 513 | 218 |
| Maule River | 25% | 230 | 322 |
| Maumee River | 4% | 2,003 | 133 |
| Mayurakshi River | 10% | 691 | 192 |
| McCloud River | 15% | 449 | 231 |
| McKenzie River (Oregon) | 7% | 1,011 | 166 |
| Mechi River | 18% | 340 | 264 |
| Medina River | 15% | 426 | 237 |
| Medjerda River | 10% | 681 | 193 |
| Meghna River | 3% | 2,512 | 125 |
| Mekong River | 0% | 15,380 | 103 |
| Menominee River | 10% | 696 | 192 |
| Meramec River | 7% | 1,029 | 165 |
| Merced River | 6% | 1,155 | 158 |
| Merri Creek | 14% | 481 | 224 |
| Merrimack River | 2% | 2,787 | 122 |
| Meta River | 25% | 229 | 323 |
| Methow River | 17% | 359 | 256 |
| Meurthe | 23% | 249 | 307 |
| Meuse | 1% | 8,198 | 107 |
| Miami River (Florida) | 3% | 2,193 | 130 |
| Miljacka | 11% | 669 | 195 |
| Milk River (Alberta–Montana) | 5% | 1,523 | 143 |
| Mill Creek (Ohio) | 11% | 631 | 200 |
| Miluo Jiang | 23% | 246 | 309 |
| Milwaukee River | 9% | 870 | 177 |
| Mimbres River | 17% | 374 | 251 |
| Min River (Fujian) | 15% | 444 | 233 |
| Min River (Sichuan) | 12% | 555 | 211 |
| Mincio | 11% | 620 | 202 |
| Mindanao River | 14% | 481 | 224 |
| Minho River | 8% | 940 | 172 |
| Minnesota River | 3% | 2,270 | 129 |
| Miramichi River | 15% | 427 | 236 |
| Missinaibi River | 18% | 334 | 266 |
| Missisquoi River | 21% | 278 | 291 |
| Mississagi River | 20% | 292 | 283 |
| Mississinewa River | 7% | 1,031 | 165 |
| Mississippi River | 0% | 57,529 | 100 |
| Mississippi River (Ontario) | 8% | 975 | 169 |
| Missouri River | 0% | 25,861 | 102 |
| Mitchell River (Queensland) | 23% | 249 | 307 |
| Mobile River | 8% | 943 | 172 |
| Mogami River | 18% | 349 | 260 |
| Mohawk River | 2% | 3,168 | 120 |
| Mohican River | 22% | 258 | 302 |
| Moira River | 23% | 255 | 303 |
| Mojave River | 7% | 1,038 | 164 |
| Mokelumne River | 9% | 777 | 185 |
| Moldova River | 14% | 462 | 228 |
| Mole River (New South Wales) | 25% | 226 | 325 |
| Molonglo River | 18% | 337 | 265 |
| Molopo River | 22% | 263 | 299 |
| Mondego River | 13% | 536 | 214 |
| Monocacy River | 16% | 397 | 244 |
| Monongahela River | 1% | 6,464 | 109 |
| Moore River | 16% | 385 | 247 |
| Moose River (Ontario) | 16% | 381 | 248 |
| Morača | 15% | 441 | 234 |
| Morava | 5% | 1,575 | 142 |
| Moselle | 1% | 7,135 | 108 |
| Moskva River | 2% | 3,559 | 118 |
| Motagua River | 14% | 452 | 230 |
| Motława | 9% | 820 | 181 |
| Moulouya River | 11% | 657 | 197 |
| Mountain Fork | 23% | 255 | 303 |
| Moyie River | 10% | 708 | 190 |
| Moyka River | 21% | 274 | 293 |
| Muar River | 22% | 273 | 294 |
| Muddy River (Nevada) | 18% | 346 | 261 |
| Mulde | 24% | 238 | 315 |
| Mullica River | 14% | 454 | 230 |
| Mun River | 23% | 249 | 307 |
| Munster Blackwater | 8% | 963 | 170 |
| Mur | 7% | 1,142 | 159 |
| Murat River | 8% | 913 | 174 |
| Murchison River (Western Australia) | 16% | 388 | 247 |
| Mureș River | 7% | 1,076 | 163 |
| Murray River | 1% | 8,462 | 107 |
| Murray River (Western Australia) | 25% | 227 | 324 |
| Murrumbidgee River | 4% | 1,944 | 134 |
| Musi River (India) | 3% | 2,120 | 131 |
| Musi River (Indonesia) | 14% | 465 | 227 |
| Muskegon River | 7% | 1,128 | 160 |
| Muskingum River | 7% | 1,028 | 165 |
| Musselshell River | 14% | 471 | 227 |
| Mystic River | 2% | 4,067 | 116 |
| Naches River | 23% | 250 | 306 |
| Naf River | 19% | 333 | 267 |
| Nagara River | 19% | 314 | 274 |
| Nagavali River | 10% | 738 | 188 |
| Nahal Sorek | 8% | 888 | 176 |
| Nahe (Rhine) | 19% | 332 | 267 |
| Nahr al-Kabir al-Janoubi | 22% | 270 | 295 |
| Nakdong River | 7% | 1,075 | 163 |
| Namekagon River | 18% | 337 | 265 |
| Namoi River | 19% | 317 | 273 |
| Nan River | 21% | 288 | 285 |
| Nanticoke River | 22% | 269 | 296 |
| Napa River | 13% | 507 | 219 |
| Napo River | 10% | 739 | 187 |
| Narew | 9% | 854 | 178 |
| Narmada | 0% | 13,441 | 104 |
| Narva | 11% | 668 | 195 |
| Naryn River | 21% | 276 | 292 |
| Nashua River | 15% | 433 | 235 |
| Nass River | 13% | 522 | 216 |
| Natisone | 21% | 279 | 290 |
| Naugatuck River | 18% | 341 | 263 |
| Navasota River | 20% | 294 | 282 |
| Nechako River | 20% | 310 | 276 |
| Neches River | 6% | 1,216 | 155 |
| Neckar | 2% | 3,080 | 121 |
| Nederrijn | 9% | 823 | 181 |
| Neelum River | 7% | 1,073 | 163 |
| Nehalem River | 16% | 391 | 246 |
| Nelson River | 3% | 2,320 | 129 |
| Neman | 2% | 3,107 | 120 |
| Nen River | 24% | 234 | 318 |
| Nenana River | 19% | 332 | 267 |
| Neosho River | 11% | 633 | 200 |
| Nepean River | 9% | 829 | 180 |
| Nerang River | 21% | 284 | 288 |
| Neretva | 3% | 2,674 | 124 |
| Neris | 10% | 744 | 187 |
| Nervión | 12% | 548 | 212 |
| Nestos | 13% | 516 | 217 |
| Netravati River | 4% | 1,835 | 136 |
| Neuse River | 4% | 1,964 | 134 |
| Neva | 2% | 2,871 | 122 |
| Neversink River | 13% | 500 | 221 |
| New River (eastern North Carolina) | 16% | 410 | 241 |
| New River (Kanawha River tributary) | 1% | 5,678 | 111 |
| New River (Mexico–United States) | 12% | 605 | 204 |
| Newtown Creek | 4% | 1,698 | 139 |
| Niagara River | 1% | 8,484 | 107 |
| Niangua River | 12% | 552 | 212 |
| Nidelva (Trondelag) | 20% | 308 | 277 |
| Niger River | 0% | 13,371 | 104 |
| Nile | 0% | 56,978 | 100 |
| Niobrara River | 10% | 758 | 186 |
| Nipigon River | 13% | 503 | 220 |
| Nišava | 19% | 324 | 271 |
| Nisqually River | 12% | 592 | 206 |
| Nizhnyaya Tunguska | 18% | 341 | 263 |
| Nogat | 25% | 230 | 322 |
| Nolichucky River | 8% | 889 | 176 |
| Nooksack River | 15% | 441 | 234 |
| Norðurá (Borgarfjörður) | 23% | 253 | 305 |
| Norrström | 20% | 295 | 281 |
| North Canadian River | 7% | 1,135 | 159 |
| North Fork American River | 25% | 226 | 325 |
| North Fork Feather River | 24% | 239 | 314 |
| North Fork Toutle River | 22% | 263 | 299 |
| North Platte River | 4% | 1,999 | 133 |
| North Saskatchewan River | 3% | 2,493 | 126 |
| North Toe River | 24% | 241 | 313 |
| Northern Dvina | 5% | 1,477 | 145 |
| Noteć | 21% | 281 | 289 |
| Nottawasaga River | 18% | 347 | 261 |
| Noyyal River | 10% | 766 | 186 |
| Nubra River | 15% | 450 | 231 |
| Nueces River | 2% | 3,068 | 121 |
| Nyabarongo River | 10% | 748 | 187 |
| Nysa Kłodzka | 19% | 328 | 269 |
| Ob | 2% | 3,125 | 120 |
| Ochlockonee River | 20% | 307 | 277 |
| Ocklawaha River | 13% | 507 | 219 |
| Ocmulgee River | 7% | 1,006 | 167 |
| Oconee River | 8% | 991 | 168 |
| Oder | 1% | 6,066 | 110 |
| Odet | 24% | 232 | 320 |
| Ofanto | 24% | 236 | 317 |
| Ogeechee River | 11% | 665 | 196 |
| Ogooué River | 12% | 607 | 204 |
| Ogun River | 17% | 370 | 252 |
| Ohio River | 0% | 26,866 | 102 |
| Ohoopee River | 24% | 237 | 316 |
| Ohře | 15% | 446 | 232 |
| Ōi River | 24% | 232 | 320 |
| Oise | 8% | 901 | 175 |
| Oka | 5% | 1,337 | 149 |
| Okanogan River | 10% | 707 | 191 |
| Okavango River | 2% | 4,329 | 115 |
| Oldman River | 8% | 957 | 170 |
| Olentangy River | 5% | 1,613 | 141 |
| Olenyok | 20% | 295 | 281 |
| Olguydakh | 24% | 237 | 316 |
| Olifants River (Limpopo) (Limpopo) | 12% | 577 | 208 |
| Olt River | 8% | 905 | 175 |
| Ombla | 13% | 520 | 217 |
| Omo River | 6% | 1,169 | 157 |
| Onkaparinga River | 20% | 291 | 284 |
| Onon River | 10% | 688 | 192 |
| Oostanaula River | 24% | 234 | 318 |
| Orange River | 2% | 4,412 | 115 |
| Orb | 24% | 237 | 316 |
| Ord River | 6% | 1,207 | 156 |
| Orge | 25% | 229 | 323 |
| Orinoco River | 1% | 9,551 | 106 |
| Orkhon River | 9% | 868 | 177 |
| Orne (Normandy) | 23% | 255 | 303 |
| Orontes River | 2% | 3,034 | 121 |
| Osage River | 7% | 1,131 | 160 |
| Oskil | 17% | 365 | 254 |
| Osun River | 10% | 736 | 188 |
| Oswegatchie River | 19% | 315 | 274 |
| Otonabee River | 21% | 284 | 288 |
| Ottauquechee River | 23% | 248 | 308 |
| Ottawa River | 2% | 4,227 | 116 |
| Otter Creek (Vermont) | 18% | 347 | 261 |
| Otter Tail River | 16% | 384 | 248 |
| Ouachita River | 5% | 1,430 | 146 |
| Oude Rijn (Utrecht and South Holland) | 14% | 462 | 228 |
| Oum Er-Rbia River | 16% | 391 | 246 |
| Our | 16% | 402 | 243 |
| Ourthe | 18% | 338 | 265 |
| Ovens River | 22% | 264 | 298 |
| Owens River | 4% | 1,681 | 139 |
| Owyhee River | 9% | 827 | 180 |
| Oyapock | 19% | 325 | 270 |
| Ozama River | 23% | 244 | 311 |
| Padma River | 3% | 2,681 | 124 |
| Pahang River | 18% | 340 | 264 |
| Painganga River | 15% | 437 | 235 |
| Palar River | 4% | 1,647 | 140 |
| Palmer River | 18% | 354 | 258 |
| Palouse River | 15% | 445 | 232 |
| Paluxy River | 6% | 1,211 | 155 |
| Pamba River | 4% | 2,098 | 132 |
| Pamlico River | 16% | 387 | 247 |
| Pampanga River | 6% | 1,256 | 152 |
| Pamunkey River | 17% | 378 | 250 |
| Pangani River | 23% | 245 | 310 |
| Panj River | 9% | 868 | 177 |
| Panjnad River | 7% | 1,077 | 162 |
| Pánuco River | 14% | 458 | 229 |
| Papaloapan River | 24% | 235 | 317 |
| Pará River | 17% | 377 | 250 |
| Paraguay River | 3% | 2,144 | 131 |
| Paraíba do Sul River | 24% | 232 | 320 |
| Paraná River | 1% | 4,999 | 113 |
| Paranaíba River | 20% | 291 | 284 |
| Parbati River (Madhya Pradesh) | 17% | 361 | 255 |
| Paria River | 17% | 365 | 254 |
| Paroo River | 25% | 227 | 324 |
| Parramatta River | 6% | 1,162 | 158 |
| Parvati River (Himachal Pradesh) | 17% | 355 | 257 |
| Pascagoula River | 9% | 821 | 181 |
| Pasig River | 3% | 2,171 | 131 |
| Passaic River | 4% | 1,849 | 136 |
| Patapsco River | 5% | 1,612 | 141 |
| Patuxent River | 5% | 1,392 | 147 |
| Payette River | 15% | 437 | 235 |
| Peace River (Canada) | 4% | 1,744 | 138 |
| Peace River (Florida) | 9% | 856 | 178 |
| Pearl River | 2% | 4,605 | 115 |
| Pearl River (Mississippi–Louisiana) | 5% | 1,338 | 149 |
| Pecatonica River | 22% | 267 | 297 |
| Pechora | 10% | 682 | 193 |
| Pecos River | 2% | 3,969 | 117 |
| Pedernales River | 10% | 721 | 189 |
| Pedieos | 21% | 285 | 287 |
| Pee Dee River | 4% | 1,701 | 139 |
| Peel River (Canada) | 15% | 435 | 235 |
| Peene | 19% | 318 | 273 |
| Pegnitz | 12% | 547 | 212 |
| Pembina River (Alberta) | 20% | 290 | 284 |
| Pemigewasset River | 10% | 692 | 192 |
| Pend Oreille River | 8% | 897 | 175 |
| Penna River | 3% | 2,497 | 126 |
| Penobscot River | 3% | 2,329 | 128 |
| Perdido River | 16% | 391 | 246 |
| Pere Marquette River | 16% | 399 | 243 |
| Perfume River | 9% | 873 | 177 |
| Periyar River | 3% | 2,458 | 126 |
| Petitcodiac River | 8% | 953 | 171 |
| Piave | 5% | 1,424 | 146 |
| Pigeon River (Minnesota–Ontario) | 16% | 407 | 241 |
| Pigeon River (Tennessee–North Carolina) | 9% | 818 | 181 |
| Pilcomayo River | 13% | 502 | 220 |
| Pindar River | 22% | 263 | 299 |
| Pine Creek (Pennsylvania) | 15% | 431 | 236 |
| Pine Island Bayou | 21% | 287 | 286 |
| Pineios (Thessaly) | 12% | 569 | 210 |
| Ping River | 11% | 647 | 198 |
| Piscataqua River | 5% | 1,394 | 147 |
| Pit River | 10% | 706 | 191 |
| Pitt River | 23% | 244 | 311 |
| Piva (Drina) | 24% | 238 | 315 |
| Pivka | 23% | 246 | 309 |
| Platte River (Iowa and Missouri) | 23% | 252 | 305 |
| Platte River (Nebraska) | 2% | 4,811 | 114 |
| Pliva | 25% | 230 | 322 |
| Po | 1% | 11,238 | 105 |
| Pocomoke River | 20% | 296 | 281 |
| Podkamennaya Tunguska | 19% | 318 | 273 |
| Pongola River | 22% | 259 | 301 |
| Ponnaiyar River | 6% | 1,327 | 150 |
| Poonch River | 19% | 328 | 269 |
| Porcupine River | 17% | 357 | 257 |
| Portneuf River (Idaho) | 19% | 313 | 275 |
| Potaro River | 25% | 230 | 322 |
| Potomac River | 0% | 16,370 | 103 |
| Powder River (Wyoming and Montana) | 5% | 1,426 | 146 |
| Pra River (Ghana) | 18% | 352 | 259 |
| Prairie Dog Town Fork Red River | 17% | 375 | 250 |
| Pranhita River | 14% | 475 | 226 |
| Pregolya | 13% | 509 | 218 |
| Price River | 23% | 247 | 309 |
| Priest River | 24% | 239 | 314 |
| Prince Regent River | 21% | 285 | 287 |
| Pripyat River | 5% | 1,486 | 144 |
| Provo River | 14% | 460 | 229 |
| Prut | 4% | 1,753 | 137 |
| Puerco River | 19% | 331 | 268 |
| Pulangi River | 18% | 349 | 260 |
| Punpun River | 4% | 1,955 | 134 |
| Purgatoire River | 8% | 910 | 174 |
| Purna (tributary of Tapti) | 18% | 351 | 259 |
| Purus River | 12% | 567 | 210 |
| Putah Creek | 8% | 933 | 172 |
| Putumayo River | 12% | 570 | 209 |
| Puyallup River | 8% | 898 | 175 |
| Qiantang River | 3% | 2,269 | 129 |
| Qinhuai River | 9% | 838 | 179 |
| Qu'Appelle River | 7% | 1,016 | 166 |
| Queiq River | 22% | 262 | 299 |
| Quinnipiac River | 16% | 413 | 240 |
| Rába | 15% | 417 | 239 |
| Raccoon River | 17% | 361 | 255 |
| Radika | 21% | 278 | 291 |
| Raidāk River | 17% | 361 | 255 |
| Rainy River (Minnesota–Ontario) | 10% | 766 | 186 |
| Rakaia River | 18% | 343 | 262 |
| Rance | 21% | 289 | 285 |
| Rangitata River | 17% | 368 | 252 |
| Rangitīkei River | 23% | 246 | 309 |
| Rapid Creek (South Dakota) | 11% | 617 | 202 |
| Rapidan River | 11% | 610 | 203 |
| Rappahannock River | 3% | 2,137 | 131 |
| Raquette River | 14% | 488 | 223 |
| Raritan River | 4% | 1,991 | 133 |
| Râul Doamnei | 24% | 243 | 312 |
| Rauma | 24% | 233 | 319 |
| Ravi River | 2% | 4,012 | 117 |
| Red Cedar River (Michigan) | 22% | 269 | 296 |
| Red Deer River | 9% | 850 | 178 |
| Red Lake River | 24% | 235 | 317 |
| Red River | 1% | 11,039 | 105 |
| Red River (Asia) | 3% | 2,451 | 126 |
| Red River of the North | 1% | 6,753 | 109 |
| Red Rock River (Montana) | 14% | 456 | 229 |
| Reedy River | 19% | 311 | 275 |
| Regnitz | 17% | 364 | 255 |
| Reka River | 20% | 294 | 282 |
| Reno | 13% | 506 | 219 |
| Republican River | 6% | 1,198 | 156 |
| Restigouche River | 15% | 442 | 233 |
| Reuss | 7% | 1,020 | 166 |
| Rhine | 0% | 47,526 | 100 |
| Rhône | 0% | 14,426 | 104 |
| Richelieu River | 5% | 1,366 | 148 |
| Richmond River | 20% | 306 | 277 |
| Rideau River | 7% | 1,031 | 165 |
| Rifle River | 22% | 258 | 302 |
| Rihand River | 14% | 462 | 228 |
| Rio Chama | 14% | 463 | 228 |
| Rio Conchos | 12% | 547 | 212 |
| Río de la Plata | 0% | 18,581 | 103 |
| Rio Grande | 0% | 26,888 | 101 |
| Río Grande de Loíza | 23% | 249 | 307 |
| Río Grande de Santiago | 16% | 383 | 248 |
| Rio Minho | 25% | 226 | 325 |
| Rio Negro (Amazon) | 2% | 4,076 | 116 |
| Río Negro (Argentina) | 12% | 569 | 210 |
| Río Negro (Uruguay) | 24% | 240 | 313 |
| Río San Juan (Nicaragua) | 9% | 834 | 180 |
| Rioni | 9% | 775 | 185 |
| River Adur | 10% | 727 | 189 |
| River Aire (Yorkshire) | 4% | 1,668 | 139 |
| River Alde | 21% | 287 | 286 |
| River Almond (Lothian) | 19% | 322 | 271 |
| River Anker | 21% | 287 | 286 |
| River Annan | 20% | 307 | 277 |
| River Arun | 8% | 982 | 169 |
| River Avoca | 23% | 251 | 305 |
| River Avon (Bristol) | 2% | 3,868 | 117 |
| River Avon (Hampshire) | 5% | 1,332 | 149 |
| River Avon (Warwickshire) | 2% | 3,360 | 119 |
| River Axe (Lyme Bay) | 21% | 283 | 288 |
| River Ayr | 21% | 274 | 293 |
| River Bann | 6% | 1,305 | 151 |
| River Blackwater (Essex) | 9% | 776 | 185 |
| River Blackwater (Northern Ireland) | 21% | 277 | 292 |
| River Boyne | 4% | 1,878 | 135 |
| River Brue | 16% | 408 | 241 |
| River Bure | 14% | 473 | 226 |
| River Calder (West Yorkshire) | 6% | 1,240 | 153 |
| River Cam | 2% | 3,026 | 121 |
| River Camel | 10% | 731 | 188 |
| River Chelmer | 20% | 307 | 277 |
| River Cherwell | 8% | 943 | 172 |
| River Cleddau | 16% | 396 | 244 |
| River Clwyd | 22% | 273 | 294 |
| River Clyde | 1% | 5,112 | 113 |
| River Coln | 19% | 314 | 274 |
| River Colne (Essex) | 14% | 495 | 222 |
| River Colne (Hertfordshire) | 7% | 1,082 | 162 |
| River Congo | 0% | 28,265 | 101 |
| River Conwy | 16% | 403 | 242 |
| River Coquet | 13% | 530 | 215 |
| River Corrib | 10% | 702 | 191 |
| River Cuckmere | 20% | 294 | 282 |
| River Dart | 8% | 947 | 171 |
| River Deben | 14% | 481 | 224 |
| River Dee (Aberdeenshire) | 5% | 1,489 | 144 |
| River Dee (Wales) | 3% | 2,200 | 130 |
| River Derwent (Derbyshire) | 3% | 2,625 | 124 |
| River Derwent (Tasmania) | 9% | 823 | 181 |
| River Derwent (Yorkshire) | 8% | 911 | 174 |
| River Deveron | 22% | 263 | 299 |
| River Dodder | 11% | 608 | 203 |
| River Don (Aberdeenshire) | 12% | 556 | 211 |
| River Don (Yorkshire) | 6% | 1,187 | 157 |
| River Doon | 19% | 329 | 269 |
| River Douglas (Lancashire) | 18% | 346 | 261 |
| River Dove (central England) | 16% | 397 | 244 |
| River Dyfi | 13% | 531 | 215 |
| River Eden (Cumbria) | 7% | 1,102 | 161 |
| River Erne | 13% | 498 | 221 |
| River Esk (Lothian) | 20% | 292 | 283 |
| River Evenlode | 20% | 298 | 280 |
| River Exe | 6% | 1,295 | 151 |
| River Fal | 9% | 812 | 182 |
| River Findhorn | 14% | 454 | 230 |
| River Finn (Foyle tributary) | 22% | 269 | 296 |
| River Fleet | 2% | 4,481 | 115 |
| River Forth | 4% | 1,957 | 134 |
| River Fowey | 18% | 345 | 262 |
| River Foyle | 8% | 996 | 168 |
| River Frome (Dorset) | 11% | 621 | 202 |
| River Garavogue | 22% | 267 | 297 |
| River Göksu | 13% | 540 | 214 |
| River Great Ouse | 2% | 3,960 | 117 |
| River Hull | 5% | 1,502 | 143 |
| River Irwell | 5% | 1,608 | 141 |
| River Ise | 20% | 305 | 278 |
| River Itchen (Hampshire) | 6% | 1,249 | 152 |
| River Kelvin | 8% | 887 | 176 |
| River Kennet | 8% | 935 | 172 |
| River Lagan (Northern Ireland) | 6% | 1,307 | 150 |
| River Lark | 19% | 317 | 273 |
| River Lea | 2% | 3,533 | 119 |
| River Lugg | 18% | 343 | 262 |
| River Lune | 5% | 1,477 | 145 |
| River Mawddach | 19% | 311 | 275 |
| River Medway | 3% | 2,721 | 123 |
| River Mersey | 1% | 5,197 | 112 |
| River Mole | 7% | 1,101 | 161 |
| River Monnow | 24% | 243 | 312 |
| River Moy | 18% | 341 | 263 |
| River Nene | 3% | 2,196 | 130 |
| River Ness | 5% | 1,512 | 143 |
| River Nidd | 11% | 672 | 195 |
| River Nith | 14% | 474 | 226 |
| River Nore | 13% | 508 | 219 |
| River Orwell | 8% | 956 | 171 |
| River Otter (Devon) | 11% | 630 | 201 |
| River Ouse (Sussex) | 3% | 2,440 | 126 |
| River Ouse (Yorkshire) | 2% | 3,962 | 117 |
| River Oykel | 19% | 318 | 273 |
| River Parrett | 10% | 683 | 193 |
| River Piddle | 19% | 326 | 270 |
| River Plym | 15% | 423 | 237 |
| River Poddle | 7% | 1,045 | 164 |
| River Raisin | 11% | 618 | 202 |
| River Ribble | 5% | 1,596 | 141 |
| River Roding | 10% | 751 | 187 |
| River Rother (East Sussex) | 12% | 585 | 207 |
| River Rother (South Yorkshire) | 19% | 326 | 270 |
| River Rouge (Michigan) | 7% | 1,097 | 161 |
| River Severn | 0% | 13,107 | 104 |
| River Shannon | 1% | 5,345 | 112 |
| River Slaney | 13% | 530 | 215 |
| River Soar | 8% | 977 | 169 |
| River Somme | 3% | 2,571 | 125 |
| River Spey | 4% | 1,903 | 135 |
| River Stour (Dorset) | 10% | 720 | 189 |
| River Stour (eastern England) | 5% | 1,525 | 143 |
| River Stour (Kent) | 8% | 955 | 171 |
| River Suck | 19% | 331 | 268 |
| River Swale | 13% | 526 | 216 |
| River Taff | 8% | 927 | 173 |
| River Tamar | 3% | 2,270 | 129 |
| River Tame (West Midlands) | 7% | 1,132 | 160 |
| River Taw | 14% | 452 | 230 |
| River Tawe | 17% | 363 | 255 |
| River Tay | 2% | 3,540 | 118 |
| River Tees | 3% | 2,562 | 125 |
| River Teifi | 13% | 535 | 214 |
| River Teign | 18% | 353 | 259 |
| River Teith | 23% | 248 | 308 |
| River Teme | 9% | 784 | 184 |
| River Test | 4% | 1,651 | 140 |
| River Teviot | 20% | 308 | 277 |
| River Thame | 12% | 567 | 210 |
| River Thames (England) | 0% | 33,163 | 101 |
| River Tolka | 11% | 672 | 195 |
| River Tone | 20% | 296 | 281 |
| River Torrens | 7% | 1,007 | 167 |
| River Torridge | 20% | 292 | 283 |
| River Towy | 10% | 680 | 194 |
| River Trent | 1% | 7,211 | 108 |
| River Tweed | 3% | 2,375 | 127 |
| River Tyne | 2% | 3,885 | 117 |
| River Ure | 5% | 1,419 | 146 |
| River Usk | 7% | 1,116 | 161 |
| River Vyrnwy | 20% | 302 | 279 |
| River Wandle | 7% | 1,048 | 164 |
| River Wansbeck | 25% | 228 | 323 |
| River Waveney | 13% | 528 | 216 |
| River Wear | 5% | 1,611 | 141 |
| River Weaver | 10% | 725 | 189 |
| River Welland | 8% | 890 | 176 |
| River Wensum | 7% | 1,146 | 159 |
| River Wey | 6% | 1,269 | 152 |
| River Wharfe | 1% | 8,059 | 108 |
| River Windrush | 8% | 990 | 168 |
| River Witham | 8% | 966 | 170 |
| River Wye | 2% | 3,973 | 117 |
| River Yare | 9% | 811 | 182 |
| River Ystwyth | 21% | 275 | 293 |
| Rivière Chaudière | 20% | 291 | 284 |
| Rivière George (Quebec) | 19% | 327 | 270 |
| Rivière Ha! Ha! (Saguenay River tributary) | 4% | 1,807 | 136 |
| Rivière Manicouagan | 20% | 293 | 282 |
| Rivière Mistassibi | 11% | 633 | 200 |
| Rivière Rupert | 20% | 290 | 284 |
| Roanoke River | 4% | 1,663 | 139 |
| Roaring Fork River | 14% | 483 | 224 |
| Rock Creek (Montana) | 23% | 249 | 307 |
| Rock River (Mississippi River tributary) | 5% | 1,396 | 147 |
| Rocky River (North Carolina) | 18% | 350 | 260 |
| Roe River | 4% | 1,722 | 138 |
| Roeliff Jansen Kill | 23% | 247 | 309 |
| Rogue River (Oregon) | 4% | 2,059 | 132 |
| Rondout Creek | 18% | 345 | 262 |
| Roosevelt River | 4% | 1,978 | 133 |
| Root River (Minnesota) | 16% | 386 | 247 |
| Root River (Wisconsin) | 22% | 256 | 302 |
| Roper River | 21% | 285 | 287 |
| Rotte | 11% | 610 | 203 |
| Rouge River (Ontario) | 12% | 595 | 205 |
| Rubicon | 0% | 19,852 | 103 |
| Rufiji River | 8% | 936 | 172 |
| Ruhr | 5% | 1,481 | 144 |
| Rum River | 16% | 402 | 243 |
| Rupununi River | 17% | 380 | 249 |
| Rur | 12% | 550 | 212 |
| Rushikulya River | 14% | 481 | 224 |
| Russian River (California) | 2% | 3,689 | 118 |
| Ruvuma River | 14% | 480 | 225 |
| Ruvyironza River | 21% | 282 | 289 |
| Saale | 4% | 1,766 | 137 |
| Saane/Sarine | 16% | 405 | 242 |
| Saar | 7% | 1,081 | 162 |
| Sabari River | 11% | 645 | 198 |
| Sabarmati | 4% | 2,018 | 133 |
| Sabie River | 7% | 1,057 | 164 |
| Sabine River (Texas–Louisiana) | 4% | 1,859 | 135 |
| Saco River | 8% | 974 | 169 |
| Sacramento River | 2% | 4,488 | 115 |
| Sado River | 25% | 229 | 323 |
| Sagami River | 23% | 247 | 309 |
| Saginaw River | 14% | 487 | 223 |
| Saguenay River | 6% | 1,238 | 153 |
| Saguia el-Hamra | 21% | 286 | 286 |
| Sahibi River | 5% | 1,414 | 147 |
| Sai (Uttar Pradesh) | 10% | 749 | 187 |
| Saigon River | 6% | 1,186 | 157 |
| Saint Croix River (Maine-New Brunswick) | 14% | 485 | 223 |
| Saint Croix River (Wisconsin-Minnesota) | 3% | 2,316 | 129 |
| Saint Joe River | 16% | 391 | 246 |
| Saint John River (New Brunswick) | 3% | 2,362 | 128 |
| Saint Louis River (Lake Superior tributary) | 7% | 1,058 | 164 |
| Saint-François River | 23% | 249 | 307 |
| Saint-Maurice river | 17% | 378 | 250 |
| Sajó | 21% | 281 | 289 |
| Sakarya River | 6% | 1,246 | 153 |
| Salado River (Argentina) | 22% | 272 | 294 |
| Salinas River (California) | 5% | 1,361 | 148 |
| Saline River (Kansas) | 22% | 268 | 296 |
| Salmon Falls River | 22% | 273 | 294 |
| Salmon River (Clackamas County, Oregon) | 24% | 235 | 317 |
| Salmon River (Idaho) | 2% | 3,140 | 120 |
| Salmon River (New York) | 8% | 996 | 168 |
| Salso | 24% | 236 | 317 |
| Salt River (Arizona) | 2% | 2,853 | 122 |
| Salt River (Kentucky) | 16% | 405 | 242 |
| Salt River (Wyoming) | 19% | 321 | 272 |
| Saluda River | 12% | 589 | 206 |
| Salween River | 3% | 2,119 | 131 |
| Salzach | 5% | 1,460 | 145 |
| Samara (Volga) | 20% | 292 | 283 |
| Sambre | 11% | 630 | 201 |
| San | 10% | 695 | 192 |
| San Antonio River | 5% | 1,333 | 149 |
| San Diego River | 10% | 737 | 188 |
| San Gabriel River (California) | 6% | 1,283 | 151 |
| San Gabriel River (Texas) | 18% | 334 | 266 |
| San Jacinto River (California) | 18% | 340 | 264 |
| San Joaquin River | 3% | 2,447 | 126 |
| San Juan River (Colorado River tributary) | 4% | 1,646 | 140 |
| San Luis Rey River | 19% | 333 | 267 |
| San Marcos River | 9% | 849 | 179 |
| San Pedro River (Arizona) | 10% | 754 | 186 |
| San Saba River | 18% | 338 | 265 |
| Sana | 21% | 280 | 290 |
| Sanaga | 15% | 443 | 233 |
| Sandusky River | 13% | 500 | 221 |
| Sandy River (Oregon) | 17% | 378 | 250 |
| Sangamon River | 9% | 836 | 180 |
| Sangha | 3% | 2,285 | 129 |
| Sangro | 19% | 315 | 274 |
| Sankosh River | 15% | 438 | 234 |
| Santa Ana River | 3% | 2,265 | 130 |
| Santa Clara River (California) | 9% | 848 | 179 |
| Santa Cruz River (Argentina) | 17% | 355 | 257 |
| Santa Cruz River (Arizona) | 7% | 1,023 | 166 |
| Santa Fe River (Florida) | 12% | 591 | 206 |
| Santa Fe River (New Mexico) | 14% | 462 | 228 |
| Santa Ynez River | 21% | 287 | 286 |
| Santee River | 6% | 1,199 | 156 |
| São Francisco River | 5% | 1,376 | 148 |
| Saône | 3% | 2,573 | 125 |
| Saranac River | 22% | 268 | 296 |
| Sarawak River | 21% | 287 | 286 |
| Sarca | 16% | 399 | 243 |
| Sarthe | 20% | 298 | 280 |
| Saskatchewan River | 3% | 2,241 | 130 |
| Satilla River | 18% | 336 | 266 |
| Sauer | 13% | 504 | 219 |
| Saugeen River | 16% | 389 | 246 |
| Sauk River (Washington) | 24% | 233 | 319 |
| Sava | 1% | 5,942 | 110 |
| Savannah River | 2% | 3,304 | 119 |
| Save River (Africa) | 10% | 684 | 193 |
| Savinja | 22% | 263 | 299 |
| Sázava | 17% | 371 | 252 |
| Scheldt | 2% | 4,276 | 116 |
| Schoharie Creek | 16% | 413 | 240 |
| Schuylkill River | 1% | 7,064 | 109 |
| Scioto River | 3% | 2,317 | 129 |
| Sebou River | 14% | 480 | 225 |
| Sefid Rud | 22% | 261 | 300 |
| Segre | 18% | 348 | 261 |
| Segura | 17% | 379 | 249 |
| Seine | 0% | 17,600 | 103 |
| Sele | 12% | 559 | 211 |
| Selenga | 7% | 1,035 | 165 |
| Selway River | 22% | 269 | 296 |
| Semliki River | 18% | 337 | 265 |
| Semois | 15% | 416 | 239 |
| Seneca River (New York) | 14% | 495 | 222 |
| Senegal River | 3% | 2,508 | 125 |
| Senne | 8% | 915 | 173 |
| Sepik | 7% | 1,056 | 164 |
| Serchio | 21% | 274 | 293 |
| Serrano River | 18% | 338 | 265 |
| Sespe Creek | 22% | 258 | 302 |
| Seti Gandaki River | 9% | 866 | 177 |
| Seti River | 24% | 232 | 320 |
| Sevier River | 11% | 650 | 198 |
| Seyhan River | 14% | 478 | 225 |
| Sharavathi | 7% | 1,146 | 159 |
| Sharda River | 3% | 2,147 | 131 |
| Shashe River | 22% | 261 | 300 |
| Shatt al-Arab | 1% | 5,611 | 111 |
| Shebelle River | 7% | 1,106 | 161 |
| Shenandoah River | 1% | 5,234 | 112 |
| Shenango River | 19% | 324 | 271 |
| Sheyenne River | 14% | 464 | 227 |
| Shiawassee River | 18% | 335 | 266 |
| Shilka | 24% | 235 | 317 |
| Shimanto River | 17% | 365 | 254 |
| Shinano River | 5% | 1,486 | 144 |
| Shipra River | 4% | 2,075 | 132 |
| Shire River | 11% | 639 | 199 |
| Shitalakshya River | 24% | 241 | 313 |
| Shivnath River | 14% | 472 | 227 |
| Shkumbin | 11% | 613 | 202 |
| Shoalhaven River | 16% | 388 | 247 |
| Shōnai River | 14% | 473 | 226 |
| Shoshone River | 16% | 400 | 243 |
| Shotover River | 17% | 355 | 257 |
| Shubenacadie River | 20% | 292 | 283 |
| Shyok River | 5% | 1,452 | 145 |
| Si River | 13% | 497 | 221 |
| Sihl | 23% | 250 | 306 |
| Sile | 24% | 237 | 316 |
| Sileru River | 6% | 1,269 | 152 |
| Siletz River | 24% | 235 | 317 |
| Similkameen River | 18% | 340 | 264 |
| Sind River | 13% | 543 | 213 |
| Sindh River | 7% | 1,089 | 162 |
| Siret River | 10% | 682 | 193 |
| Sittaung River | 21% | 279 | 290 |
| Siuslaw River | 20% | 296 | 281 |
| Skagit River | 7% | 1,061 | 163 |
| Skeena River | 8% | 915 | 173 |
| Skeiðará | 24% | 237 | 316 |
| Skunk River (Iowa) | 18% | 338 | 265 |
| Skykomish River | 19% | 325 | 270 |
| Slave River | 6% | 1,328 | 150 |
| Smoky Hill River | 10% | 700 | 191 |
| Smoky River | 23% | 254 | 304 |
| Snake River | 0% | 13,179 | 104 |
| Snezhnaya | 6% | 1,188 | 156 |
| Snoqualmie River | 15% | 437 | 235 |
| Snowy River | 7% | 1,074 | 163 |
| Soan River | 8% | 910 | 174 |
| Sobat River | 21% | 277 | 292 |
| Soča | 3% | 2,542 | 125 |
| Sol Duc River | 17% | 367 | 253 |
| Solimões | 8% | 929 | 173 |
| Someș | 15% | 431 | 236 |
| Son River | 2% | 3,539 | 119 |
| Songhua River | 4% | 1,634 | 140 |
| Sorgue | 17% | 362 | 255 |
| Souris River | 14% | 485 | 223 |
| Sous River | 24% | 237 | 316 |
| Sousa River | 23% | 248 | 308 |
| South Branch Potomac River | 15% | 423 | 237 |
| South Fork American River | 19% | 325 | 270 |
| South Morava | 14% | 460 | 229 |
| South Nahanni River | 6% | 1,178 | 157 |
| South Platte River | 3% | 2,395 | 127 |
| South Saskatchewan River | 5% | 1,417 | 147 |
| Southern Bug | 4% | 1,830 | 136 |
| Spanish River (Ontario) | 16% | 383 | 248 |
| Spercheios | 12% | 564 | 210 |
| Spiti River | 1% | 7,176 | 108 |
| Spokane River | 5% | 1,559 | 142 |
| Spoon River | 19% | 330 | 269 |
| Spree | 1% | 5,304 | 112 |
| Spring River (Arkansas) | 17% | 366 | 254 |
| Spring River (Missouri) | 22% | 256 | 302 |
| Squamish River | 25% | 226 | 325 |
| St. Clair River | 2% | 4,424 | 115 |
| St. Francis River (Arkansas and Missouri) | 10% | 688 | 192 |
| St. Johns River | 2% | 4,614 | 114 |
| St. Joseph River (Lake Michigan) | 4% | 1,741 | 138 |
| St. Joseph River (Maumee River tributary) | 15% | 415 | 239 |
| St. Lawrence River | 0% | 19,921 | 103 |
| St. Marys River (Florida-Georgia) | 10% | 709 | 190 |
| St. Marys River (Indiana and Ohio) | 19% | 324 | 271 |
| St. Marys River (Michigan) | 3% | 2,157 | 131 |
| St. Vrain Creek | 24% | 239 | 314 |
| Stanislaus River | 9% | 807 | 182 |
| Stikine River | 7% | 1,024 | 166 |
| Stillaguamish River | 21% | 275 | 293 |
| Struma | 4% | 1,681 | 139 |
| Subansiri River | 8% | 971 | 169 |
| Subarnarekha River | 3% | 2,742 | 123 |
| Sudbury River | 25% | 228 | 323 |
| Sugar Creek (Wabash River tributary) | 22% | 261 | 300 |
| Suir | 10% | 749 | 187 |
| Sulak | 19% | 325 | 270 |
| Sulina branch | 18% | 336 | 266 |
| Sulphur River | 22% | 265 | 298 |
| Sumida River | 5% | 1,484 | 144 |
| Sun Kosi | 5% | 1,416 | 147 |
| Suriname River | 16% | 400 | 243 |
| Surma River | 15% | 415 | 239 |
| Susitna River | 12% | 548 | 212 |
| Susquehanna River | 0% | 12,096 | 104 |
| Sutjeska | 23% | 245 | 310 |
| Sutlej | 1% | 6,553 | 109 |
| Suwannee River | 2% | 2,919 | 121 |
| Suzhou Creek | 8% | 959 | 170 |
| Svir | 16% | 398 | 244 |
| Svislach River (Berezina) | 17% | 367 | 253 |
| Swakop River | 13% | 532 | 215 |
| Swan River (Western Australia) | 3% | 2,334 | 128 |
| Swat River | 5% | 1,426 | 146 |
| Swatara Creek | 23% | 245 | 310 |
| Sweetwater River (California) | 13% | 528 | 216 |
| Sweetwater River (Wyoming) | 12% | 578 | 208 |
| Syr Darya | 1% | 5,041 | 113 |
| Taedong River | 5% | 1,468 | 145 |
| Tagliamento | 7% | 1,045 | 164 |
| Tagus River | 1% | 8,108 | 107 |
| Tahquamenon River | 14% | 470 | 227 |
| Taku River | 23% | 247 | 309 |
| Talas River | 13% | 503 | 220 |
| Tallahatchie River | 3% | 2,264 | 130 |
| Tallapoosa River | 12% | 605 | 204 |
| Tallulah River | 16% | 389 | 246 |
| Tama River | 9% | 798 | 183 |
| Tamakoshi River | 20% | 307 | 277 |
| Tamsa River | 6% | 1,218 | 155 |
| Tamsui River | 11% | 612 | 203 |
| Tana (Finland–Norway) | 23% | 254 | 304 |
| Tana River (Kenya) | 6% | 1,158 | 158 |
| Tanana River | 8% | 890 | 176 |
| Tanaro | 21% | 282 | 289 |
| Tano River | 20% | 309 | 276 |
| Tao River | 25% | 229 | 323 |
| Tapajós River | 11% | 653 | 197 |
| Tapti River | 2% | 4,272 | 116 |
| Tar River | 9% | 828 | 180 |
| Tara (Drina) | 9% | 802 | 183 |
| Tárcoles River | 21% | 286 | 286 |
| Tarim River | 6% | 1,246 | 153 |
| Tarn | 10% | 727 | 189 |
| Tatshenshini River | 23% | 253 | 305 |
| Tauber | 18% | 343 | 262 |
| Tawa River | 19% | 319 | 272 |
| Tawi River | 11% | 658 | 197 |
| Tchefuncte River | 15% | 430 | 236 |
| Techa River | 17% | 366 | 254 |
| Teesta River | 2% | 3,767 | 118 |
| Tekezé River | 11% | 623 | 201 |
| Teklanika River | 9% | 791 | 183 |
| Tellico River | 22% | 259 | 301 |
| Tennessee River | 1% | 8,453 | 107 |
| Ter | 23% | 247 | 309 |
| Terek | 8% | 976 | 169 |
| Teton River (Idaho) | 18% | 343 | 262 |
| Tha Chin River | 24% | 236 | 317 |
| Thames River (Connecticut) | 6% | 1,278 | 151 |
| Thames River (Ontario) | 4% | 1,719 | 138 |
| Thamirabarani River | 4% | 1,954 | 134 |
| Thaya | 14% | 468 | 227 |
| Thelon River | 17% | 366 | 254 |
| Thompson River | 8% | 939 | 172 |
| Thomson River (Queensland) | 23% | 252 | 305 |
| Thornapple River | 20% | 293 | 282 |
| Thu Bon River | 24% | 232 | 320 |
| Tiber | 1% | 10,331 | 106 |
| Ticino | 6% | 1,245 | 153 |
| Tietê River | 12% | 598 | 205 |
| Tigris | 0% | 14,114 | 104 |
| Tijuana River | 7% | 1,000 | 167 |
| Timiș River | 16% | 414 | 240 |
| Timok | 21% | 277 | 292 |
| Tinto River | 2% | 3,402 | 119 |
| Tippecanoe River | 9% | 845 | 179 |
| Tisza | 1% | 5,174 | 112 |
| Titas River | 22% | 270 | 295 |
| Tittabawassee River | 16% | 403 | 242 |
| Tobol | 13% | 508 | 219 |
| Tocantins River | 9% | 859 | 178 |
| Toccoa River | 6% | 1,236 | 153 |
| Todd River | 8% | 947 | 171 |
| Tollense | 23% | 245 | 310 |
| Tombigbee River | 5% | 1,528 | 142 |
| Tonawanda Creek | 21% | 280 | 290 |
| Tone River | 8% | 962 | 170 |
| Tongue River (Montana) | 14% | 485 | 223 |
| Tonle Sap River | 15% | 427 | 236 |
| Tons River | 5% | 1,588 | 141 |
| Tormes | 21% | 287 | 286 |
| Torne River (Finnish and Swedish river) | 9% | 772 | 185 |
| Torsa River | 14% | 460 | 229 |
| Toutle River | 18% | 339 | 264 |
| Toyohira River | 22% | 271 | 295 |
| Traun | 21% | 274 | 293 |
| Trave | 15% | 419 | 238 |
| Trebbia | 20% | 306 | 277 |
| Trebišnjica | 15% | 446 | 232 |
| Trebižat | 22% | 261 | 300 |
| Trent River (Ontario) | 17% | 373 | 251 |
| Treska | 23% | 246 | 309 |
| Trinity River (California) | 6% | 1,192 | 156 |
| Trinity River (Texas) | 2% | 4,135 | 116 |
| Trishuli River | 0% | 46,271 | 100 |
| Truckee River | 2% | 3,168 | 120 |
| Tsauchab | 22% | 273 | 294 |
| Tsavo River | 13% | 520 | 217 |
| Tualatin River | 18% | 349 | 260 |
| Tuckasegee River | 12% | 573 | 209 |
| Tug Fork | 7% | 1,097 | 161 |
| Tugaloo River | 16% | 409 | 241 |
| Tugela River | 9% | 836 | 180 |
| Tuichi River | 12% | 573 | 209 |
| Tule River | 17% | 368 | 252 |
| Tumen River | 2% | 4,787 | 114 |
| Tundzha | 18% | 336 | 266 |
| Tunga River | 7% | 1,000 | 167 |
| Tungabhadra River | 1% | 5,266 | 112 |
| Tuolumne River | 9% | 860 | 178 |
| Turia | 6% | 1,318 | 150 |
| Turkwel River | 22% | 256 | 302 |
| Tuscarawas River | 11% | 660 | 196 |
| Tuul River | 6% | 1,260 | 152 |
| Tweed River (New South Wales) | 15% | 449 | 231 |
| Two Hearted River | 8% | 989 | 168 |
| Tygart Valley River | 11% | 672 | 195 |
| Ubangi River | 4% | 1,842 | 136 |
| Ucayali River | 6% | 1,231 | 154 |
| Uda (Khabarovsk Krai) | 23% | 244 | 311 |
| Uele | 22% | 262 | 299 |
| Ulan Moron | 22% | 272 | 294 |
| Ulanga River | 24% | 242 | 312 |
| Ulhas River | 10% | 715 | 190 |
| Ume älv | 21% | 274 | 293 |
| Umgeni River | 15% | 423 | 237 |
| Umpqua River | 10% | 751 | 187 |
| Una (Sava) | 7% | 1,040 | 164 |
| Uncompahgre River | 15% | 433 | 235 |
| Unstrut | 25% | 231 | 321 |
| Upper Rhine | 6% | 1,269 | 152 |
| Ural River | 2% | 4,253 | 116 |
| Urubamba River | 6% | 1,233 | 154 |
| Uruguay River | 5% | 1,631 | 141 |
| Ussuri | 6% | 1,309 | 150 |
| Usumacinta River | 8% | 978 | 169 |
| Uvac | 17% | 369 | 252 |
| Uzh River | 20% | 305 | 278 |
| Vaal River | 4% | 1,930 | 135 |
| Váh | 10% | 684 | 193 |
| Vaigai River | 4% | 1,661 | 139 |
| Vakhsh River | 18% | 352 | 259 |
| Valdivia River | 8% | 963 | 170 |
| Vamsadhara River | 9% | 785 | 184 |
| Van Duzen River | 25% | 230 | 322 |
| Var | 13% | 533 | 215 |
| Varada | 18% | 347 | 261 |
| Vardar | 3% | 2,183 | 130 |
| Varuna River | 12% | 577 | 208 |
| Vasyugan | 25% | 226 | 325 |
| Vecht (Utrecht) | 19% | 329 | 269 |
| Vedder River | 16% | 402 | 243 |
| Verde River | 8% | 916 | 173 |
| Verdigris River | 9% | 792 | 183 |
| Verdon | 19% | 313 | 275 |
| Vermilion River (Illinois River tributary) | 19% | 332 | 267 |
| Vermilion River (Louisiana) | 13% | 503 | 220 |
| Verzasca | 17% | 365 | 254 |
| Veshaw River | 21% | 281 | 289 |
| Vézère | 15% | 421 | 238 |
| Victoria River (Northern Territory) | 16% | 384 | 248 |
| Vienne | 13% | 509 | 218 |
| Vilaine | 21% | 284 | 288 |
| Vilnia | 23% | 255 | 303 |
| Vilyuy | 22% | 265 | 298 |
| Vindel River | 14% | 473 | 226 |
| Vipava | 22% | 272 | 294 |
| Virgin River | 2% | 3,035 | 121 |
| Vistula | 1% | 11,617 | 105 |
| Vjosa | 6% | 1,161 | 158 |
| Vltava | 1% | 10,510 | 105 |
| Volga (Russia) | 0% | 29,567 | 101 |
| Volkhov | 14% | 478 | 225 |
| Volta River | 2% | 2,778 | 122 |
| Volturno | 14% | 461 | 228 |
| Vorderrhein | 10% | 684 | 193 |
| Vorskla | 24% | 237 | 316 |
| Vrbas | 11% | 649 | 198 |
| Vuoksa | 20% | 291 | 284 |
| Vyatka | 24% | 233 | 319 |
| Waal | 4% | 1,767 | 137 |
| Wabash River | 1% | 7,168 | 108 |
| Waikato River | 5% | 1,518 | 143 |
| Waimakariri River | 15% | 415 | 239 |
| Wainganga River | 6% | 1,227 | 154 |
| Waitaki River | 3% | 2,138 | 131 |
| Wakarusa River | 25% | 227 | 324 |
| Walker River | 16% | 381 | 248 |
| Walla Walla River | 20% | 295 | 281 |
| Wallkill River | 13% | 527 | 216 |
| Wallowa River | 8% | 881 | 176 |
| Wambuul Macquarie River | 14% | 483 | 224 |
| Wapsipinicon River | 18% | 347 | 261 |
| Wardha River | 11% | 622 | 202 |
| Warnow | 24% | 236 | 317 |
| Warrego River | 20% | 293 | 282 |
| Warta | 7% | 1,073 | 163 |
| Washita River | 12% | 605 | 204 |
| Washougal River | 16% | 392 | 245 |
| Watauga River | 10% | 719 | 189 |
| Water of Leith | 4% | 1,766 | 137 |
| Wateree River | 16% | 387 | 247 |
| Weber River | 14% | 474 | 226 |
| Wei River | 5% | 1,394 | 147 |
| Weisse Elster | 12% | 551 | 212 |
| Wel | 16% | 388 | 247 |
| Wenatchee River | 19% | 328 | 269 |
| Werra | 17% | 362 | 255 |
| Werribee River | 23% | 245 | 310 |
| Weser | 3% | 2,565 | 125 |
| West Branch Delaware River | 17% | 373 | 251 |
| West Branch Susquehanna River | 9% | 791 | 183 |
| West Canada Creek | 25% | 226 | 325 |
| West Fork River | 21% | 285 | 287 |
| West Morava | 15% | 440 | 234 |
| West Rapti River | 7% | 1,082 | 162 |
| Western Bug | 3% | 2,176 | 130 |
| Westfield River | 24% | 240 | 313 |
| Whangaehu River | 20% | 302 | 279 |
| Whanganui River | 7% | 998 | 167 |
| White Drin | 11% | 618 | 202 |
| White Nile | 1% | 8,265 | 107 |
| White River (Arkansas) | 3% | 2,448 | 126 |
| White River (Indiana) | 1% | 9,294 | 106 |
| White River (Missouri River tributary) | 17% | 374 | 251 |
| White River (Puyallup River) | 14% | 470 | 227 |
| White River (Vermont) | 23% | 252 | 305 |
| White Volta | 15% | 441 | 234 |
| Whitewater River (California) | 10% | 683 | 193 |
| Whitewater River (Great Miami River tributary) | 6% | 1,223 | 154 |
| Wichita River | 22% | 262 | 299 |
| Willamette River | 2% | 4,426 | 115 |
| Williamson River (Oregon) | 24% | 238 | 315 |
| Wind River (Wyoming) | 9% | 848 | 179 |
| Winnipeg River | 10% | 678 | 194 |
| Winooski River | 12% | 563 | 211 |
| Wisconsin River | 3% | 2,368 | 128 |
| Wishkah River | 12% | 601 | 205 |
| Withlacoochee River (Florida) | 7% | 1,100 | 161 |
| Wolf River (Fox River tributary) | 14% | 483 | 224 |
| Wolf River (Tennessee) | 3% | 2,332 | 128 |
| Wounded Knee Creek | 7% | 1,046 | 164 |
| Wouri River | 13% | 503 | 220 |
| Wu River (Yangtze tributary) | 22% | 259 | 301 |
| Wupper | 14% | 485 | 223 |
| Xi River | 9% | 849 | 179 |
| Xiang River | 8% | 915 | 173 |
| Xingu River | 4% | 1,786 | 137 |
| Yadkin River | 8% | 930 | 172 |
| Yahara River | 15% | 429 | 236 |
| Yakima River | 8% | 991 | 168 |
| Yalong River | 20% | 310 | 276 |
| Yalu River | 1% | 5,369 | 111 |
| Yampa River | 11% | 632 | 200 |
| Yamuna | 1% | 9,337 | 106 |
| Yana | 18% | 341 | 263 |
| Yangtze River | 0% | 28,672 | 101 |
| Yantra | 22% | 258 | 302 |
| Yaque del Norte River | 24% | 243 | 312 |
| Yaqui River | 13% | 497 | 221 |
| Yarí River | 12% | 588 | 207 |
| Yarkand River | 13% | 519 | 217 |
| Yarkon River | 11% | 658 | 197 |
| Yarlung Tsangpo River | 1% | 6,473 | 109 |
| Yarmuk | 9% | 792 | 183 |
| Yarra River | 3% | 2,594 | 124 |
| Yazoo River | 5% | 1,354 | 149 |
| Yellow Medicine River | 5% | 1,458 | 145 |
| Yellow River | 0% | 26,476 | 102 |
| Yellow River (Georgia) | 23% | 254 | 304 |
| Yellowstone River | 2% | 4,478 | 115 |
| Yenisei | 1% | 4,934 | 113 |
| Yeşilırmak River | 19% | 333 | 267 |
| Yodo River | 10% | 678 | 194 |
| Yongding River | 15% | 445 | 232 |
| Yonne | 16% | 414 | 240 |
| York River (Virginia) | 10% | 706 | 191 |
| Yoshino River | 24% | 241 | 313 |
| Youghiogheny River | 3% | 2,392 | 127 |
| Yser | 6% | 1,245 | 153 |
| Yu River (Guangxi) | 20% | 299 | 280 |
| Yuba River | 8% | 989 | 168 |
| Yukon River | 1% | 7,466 | 108 |
| Yurungkax He | 24% | 233 | 319 |
| Zaan | 10% | 749 | 187 |
| Zambezi River | 1% | 11,269 | 105 |
| Zanskar River | 8% | 908 | 174 |
| Zarqa River | 9% | 856 | 178 |
| Zarrineh River | 12% | 585 | 207 |
| Zayandeh River | 12% | 588 | 207 |
| Zbruch | 19% | 317 | 273 |
| Zeravshan | 12% | 581 | 208 |
| Zêzere River | 22% | 268 | 296 |
| Zherebets | 5% | 1,579 | 141 |
| Zhob River | 20% | 302 | 279 |
| Zhuoshui River | 22% | 263 | 299 |
| Ziz River | 17% | 364 | 255 |
| Zrmanja | 18% | 339 | 264 |
| Zumbro River | 16% | 413 | 240 |
| Zuni River | 20% | 292 | 283 |
| Þjórsá | 17% | 356 | 257 |