Number of months per year (n) | Billions of people facing low, moderate, significant, and severe water scarcity during n months per year | Billions of people facing moderate or worse water scarcity during at least n months per year | Billions of people facing severe water scarcity during at least n months per year | |||
Low water scarcity | Moderate water scarcity | Significant water scarcity | Severe water scarcity | |||
0 | 0.54 | 4.98 | 5.22 | 2.07 | 6.04 | 6.04 |
1 | 0.12 | 0.81 | 0.66 | 0.31 | 4.26 | 3.97 |
2 | 0.12 | 0.19 | 0.13 | 0.37 | 3.95 | 3.66 |
3 | 0.35 | 0.05 | 0.03 | 0.37 | 3.55 | 3.28 |
4 | 0.33 | 0.01 | 0.001 | 0.59 | 3.15 | 2.91 |
5 | 0.30 | 0 | 0 | 0.55 | 2.56 | 2.32 |
6 | 0.33 | 0 | 0 | 0.27 | 2.09 | 1.78 |
7 | 0.47 | 0 | 0 | 0.21 | 1.76 | 1.50 |
8 | 0.59 | 0 | 0 | 0.29 | 1.46 | 1.30 |
9 | 0.40 | 0 | 0 | 0.30 | 1.13 | 1.01 |
10 | 0.40 | 0 | 0 | 0.12 | 0.78 | 0.71 |
11 | 0.30 | 0 | 0 | 0.09 | 0.66 | 0.59 |
12 | 1.78 | 0 | 0 | 0.50 | 0.54 | 0.50 |
Total | 6.04 | 6.04 | 6.04 | 6.04 |