How many transboundary river basins are there?
There are 263 transboundary river basins. Over 45 percent of the land surface of the world is covered by river basins that are shared by more than one country. Over 75 percent of all countries, 145 in total, have within their boundaries shared river basins. And 33 nations have over 95 percent of their territory within international river basins. While most transboundary river basins are shared between just two countries, there are many river basins where this number is much higher. There are 13 basins worldwide that are shared between 5 to 8 countries. Five river basins, the Congo, Niger, Nile, Rhine and Zambezi, are shared between 9 to 11 countries. The river that flows through the most countries is the Danube, which passes through the territory of 18 countries.
Related Questions
- LCRA initially said only captured floodwaters would be used to fill the holding basins. Now river and Highland Lakes water permitted for agricultural use would be used, too – why?
- How is PJT 1 different from other agencies managing river basins in Indonesia?
- Why are some river basins vulnerable to flooding?
