|
|
|
per capita water use, by continent
(cubic kilometer/year)
| |
1950 |
1960 |
1970 |
1980 |
1990 |
2000* |
| |
|
|
|
|
|
|
|
Africa |
56 |
86 |
116 |
168 |
232 |
314 |
| |
|
|
|
|
|
|
|
North America |
286 |
411 |
556 |
663 |
724 |
796 |
| |
|
|
|
|
|
|
|
South America |
59 |
63 |
85 |
111 |
150 |
216 |
| |
|
|
|
|
|
|
|
Europe |
94 |
185 |
294 |
435 |
554 |
673 |
| |
|
|
|
|
|
|
|
Oceania |
10 |
17 |
23 |
29 |
38 |
47 |
|
Total |
1,360 |
1,982 |
2,594 |
3,316 |
4,138 |
5,189 |
Source: M. Meybeck, D. Chapman, and R. Helmer, Global Freshwater Quality (Oxford:Blackwell, for UNEP and WHO, 1989).
*Estimate. |