Water Basin
- Meghna River >> Bangladesh 28
- Rio Grande (North America) 28
- Unknown 28
- Saint Lawrence River >> Franklin County >> New York >> United States 27
- St. Lawrence 27
- Aral Sea 25
- Aral Sea 25
- General 24
- Nile River >> Egypt 23
- Nile 23
- Groundwater 20
- Shatt al Arab 17
- Tigris-Euphrates/Shatt al Arab 17
- Niger River >> Nigeria 14
- Niger 14
- Zambezi River >> Namibia 14
- Zambezi 14
- Columbia River >> Clatsop County >> Oregon >> United States 13
- Columbia 13
- Jordan 13