Africa
- Nile Basin: Egypt, Sudan, South Sudan
- Congo Basin: Democratic Republic of the Congo, Republic of the Congo, Angola
- Niger Basin: Nigeria, Benin, Niger
- Zambezi Basin: Mozambique, Zimbabwe
- Senegal Basin: Mauritania, Senegal
- Orange Basin: Namibia, South Africa
- Limpopo Basin: Mozambique, South Africa
Asia
- Indus Basin: Pakistan
- Ganges-Brahmaputra Basin: Bangladesh
- Mekong Basin: Vietnam, Cambodia, Laos, Thailand
- Amu Darya / Syr Darya Basins: Uzbekistan, Turkmenistan
- Tigris-Euphrates Basin: Iraq, Syria, Iran
- Jordan Basin: Jordan, Israel, Palestine
- Orontes Basin: Syria, Turkey
Europe
- Danube Basin: Romania, Bulgaria, Moldova, Ukraine
- Rhine Basin: The Netherlands
- Elbe Basin: Germany
- Vistula Basin: Poland
- Dniester Basin: Ukraine
- Daugava Basin: Latvia
North America
- Rio Grande / Colorado Rivers: Mexico (lower riparian to the U.S.)
- Columbia, Kootenai, St. Lawrence Rivers: United States (lower riparian to Canada)
Latin America
- Amazon Basin: Brazil (lower portions)
- La Plata Basin: Argentina, Uruguay
- Orinoco Basin: Venezuela
- Central America: Belize, Honduras, Nicaragua