যৌথ নদী কমিশন, বাংলাদেশ

The catchment area of the Ganges is about 10,87,300 km², of which 46,500 km² lies within Bangladesh and 8,60,000 km² lie in India. 

(Source: Final Report by CEGIS on Preparation of Position Paper showing Sustainable Water Sharing Options of the Ganges River between Bangladesh and India.)