Water productivity is calculated as GDP in constant prices of 2010 divided by annual total water withdrawal.
| 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Brunei Darussalam | 133.1 | 145.6 | 141.2 | 146.5 | 147.9 | 144.7 | 141.1 | 140.5 | 137.1 | 138.9 | 139.0 | 144.3 | 146.0 | 143.6 | |
| Cambodia | 7.7 | 8.2 | 8.9 | 9.6 | 10.3 | 11.1 | 11.9 | 12.9 | 14.0 | 15.2 | 14.6 | 15.1 | |||
| China | 2.1 | 5.1 | 8.2 | 13.1 | 14.2 | 15.2 | 16.3 | 17.8 | 19.1 | 19.9 | 21.6 | 23.2 | 24.2 | 26.2 | 28.5 |
| Indonesia | 3.6 | 3.5 | 3.4 | 3.6 | 3.7 | 3.8 | 3.9 | 3.9 | 4.0 | 4.1 | 4.3 | 4.5 | 4.7 | 4.6 | 4.8 |
| Japan | 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 |
| Republic of Korea | 19.5 | 28.9 | 35.0 | 43.2 | 44.8 | 45.9 | 47.3 | 48.8 | 50.2 | 51.7 | 53.3 | 54.9 | 56.1 | 55.7 | 58.1 |
| Lao People’s Democratic Republic | 1.9 | 1.7 | 1.7 | 1.7 | 1.8 | 1.8 | 1.8 | 2.0 | 2.3 | 2.4 | 2.5 | 2.5 | 2.6 | ||
| Malaysia | 7.4 | 26.3 | 32.0 | 38.6 | 40.4 | 42.3 | 44.0 | 46.3 | 48.4 | 48.0 | 49.7 | 52.1 | 54.4 | 51.4 | 53.1 |
| Myanmar | 0.2 | 0.4 | 0.7 | 1.3 | 1.3 | 1.4 | 1.5 | 1.7 | 1.8 | 1.9 | 2.0 | 2.1 | 2.3 | 2.1 | 1.8 |
| Philippines | 2.7 | 2.8 | 3.0 | 3.2 | 3.4 | 3.5 | 3.8 | 3.8 | 4.1 | 4.6 | 4.1 | 4.3 | |||
| Singapore | 58.9 | 74.6 | 78.7 | 187.6 | 233.5 | 285.9 | 362.2 | 459.4 | 606.9 | 626.8 | 668.6 | 707.3 | 709.7 | 674.8 | 740.7 |
| Thailand | 6.1 | 6.1 | 6.5 | 6.7 | 6.8 | 7.0 | 7.2 | 7.5 | 7.9 | 8.0 | 7.5 | 7.7 | |||
| Viet Nam | 0.9 | 1.3 | 1.6 | 2.2 | 2.3 | 2.4 | 2.6 | 2.7 | 2.9 | 3.1 | 3.3 | 3.6 | 3.8 | 4.0 | 4.1 |