Water productivity is calculated as GDP in constant prices of 2010 divided by annual total water withdrawal.
| 1970 | 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 日本 | 38.6 | 44.1 | 50.7 | 52.1 | 52.2 | 53.1 | 54.3 | 54.6 | 55.6 | 56.2 | 57.4 | 57.9 | 58.2 | 55.8 | 57.3 | |
| フランス | 43.3 | 62.0 | 66.0 | 81.0 | 78.6 | 84.6 | 88.1 | 88.5 | 86.9 | 93.2 | 93.3 | 94.9 | 99.5 | 97.8 | 104.6 | |
| ドイツ | 64.3 | 73.6 | 95.5 | 89.7 | 97.6 | 130.2 | 107.6 | 114.8 | 143.3 | 129.6 | 135.1 | 142.4 | 136.6 | 141.6 | ||
| イタリア | 20.5 | 38.1 | 41.2 | 53.0 | 56.7 | 56.9 | 54.9 | 53.8 | 53.8 | 54.3 | 55.2 | 56.2 | 56.8 | 56.8 | 52.1 | 56.7 |
| 英国 | 147.1 | 183.6 | 201.8 | 321.4 | 349.5 | 340.1 | 362.8 | 393.2 | 358.8 | 354.5 | 363.9 | 369.0 | 375.0 | 336.4 | 365.2 | |
| カナダ | 19.7 | 27.8 | 31.9 | 37.6 | 40.6 | 40.3 | 40.3 | 42.4 | 43.6 | 43.7 | 44.7 | 45.9 | 46.8 | 44.4 | 47.1 | |
| アメリカ合衆国 | 21.0 | 29.0 | 32.5 | 39.0 | 39.1 | 39.6 | 39.9 | 40.5 | 41.2 | 41.9 | 42.9 | 44.2 | 45.4 | 44.4 | 47.1 |