This map illustrates the development of the world water availability per country from 1980 to 2000 to the 2015 estimate. The red colored countries are the ones, where the water availability is catastrophically low.
The overall tendency of the picture is clear: Within 35 years, the number of countries that have to suffer from below average water availability has increased. Even for the United States the estimated water availability in 2015 is low. However, the most affected are nations in Africa and South-East-Asia.
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