More than a third of the world’s rivers were lower than normal in 2025
River discharge conditions by river basin, 2025
Much lower
Lower
Normal
Higher
Much higher
No data
Much lower
Lower
Normal
Higher
Much higher
No data
Much lower
Lower
Normal
Higher
Much higher
No data
Much lower
Lower
Normal
Higher
Much higher
No data
Much lower
Lower
Normal
Higher
Much higher
No data
Much lower
Lower
Normal
Higher
Much higher
No data
Much lower
Lower
Normal
Higher
Much higher
No data
Much lower
Lower
Normal
Higher
Much higher
No data