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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Djibouti | 110.8 | 118.7 | 127.6 | 136.7 | 144.1 | 151.0 | 159.4 | 161.5 | 168.8 | ||||||
| Egypt, Arab Rep. | 2.1 | 3.2 | 3.3 | 3.9 | 4.1 | 4.2 | 4.2 | 5.2 | 5.4 | 5.7 | 4.6 | 4.9 | 5.1 | 5.3 | 5.5 |
| Libya | 10.4 | 13.4 | 15.1 | 15.3 | 7.4 | 13.6 | 11.2 | 8.6 | 8.5 | 8.4 | 11.1 | 12.0 | 10.7 | 7.5 | 9.6 |
| Tunisia | 5.7 | 10.8 | 11.8 | 13.5 | 12.8 | 12.9 | 12.9 | 12.9 | 12.6 | 12.4 | 13.4 | 12.8 | 13.0 | 11.6 | 12.2 |
| Burundi | 16.6 | 6.8 | 7.8 | 9.7 | 10.1 | 10.5 | 11.1 | 11.5 | 11.1 | 11.0 | 11.1 | 11.2 | 11.5 | 11.5 | 11.8 |
| Comoros | 64.5 | 72.3 | 83.3 | 86.8 | 89.5 | 93.5 | 95.5 | 96.6 | 99.8 | 103.6 | 107.4 | 109.3 | 109.1 | 111.3 | |
| Congo, Dem. Rep. | 28.3 | 29.1 | 38.2 | 40.8 | 43.7 | 47.4 | 51.9 | 55.5 | 56.8 | 58.9 | 62.3 | 65.1 | 66.2 | 70.3 | |
| Eritrea | 4.6 | 3.7 | 3.6 | 3.9 | |||||||||||
| Ethiopia | 3.0 | 4.4 | 4.7 | 5.0 | 5.4 | 5.8 | 6.3 | 6.7 | 7.3 | 7.8 | 8.5 | 9.0 | 9.5 | ||
| Kenya | 14.9 | 23.5 | 17.0 | 17.3 | 18.2 | 19.0 | 19.8 | 20.7 | 21.8 | 18.1 | 18.8 | 19.9 | 20.9 | 20.8 | 22.4 |
| Madagascar | 0.4 | 0.6 | 0.6 | 0.7 | 0.7 | 0.8 | 0.8 | 0.8 | 0.8 | 0.9 | 0.9 | 0.9 | 1.0 | 0.9 | 1.0 |
| Malawi | 3.8 | 3.9 | 5.6 | 5.8 | 5.9 | 6.3 | 6.6 | 6.8 | 7.0 | 7.2 | 7.6 | 8.0 | 8.1 | 8.4 | |
| Mauritius | 7.1 | 11.0 | 11.5 | 15.7 | 18.3 | 18.5 | 18.3 | 18.7 | 19.6 | 20.1 | 21.2 | 22.8 | 23.3 | 19.5 | 20.3 |
| Rwanda | 18.3 | 16.0 | 16.0 | 16.2 | 16.6 | 16.4 | 16.5 | 17.1 | 17.2 | 17.1 | 17.8 | 18.3 | 17.7 | 19.6 | |
| Seychelles | 51.5 | 83.1 | 82.9 | 97.9 | 107.2 | 110.5 | 111.9 | 116.4 | 126.8 | 142.2 | 152.1 | 159.6 | 168.4 | 148.6 | 149.4 |
| Somalia | 1.3 | 0.6 | 0.9 | 1.2 | 1.3 | 1.4 | 1.5 | 1.7 | 1.9 | 2.0 | 2.3 | 2.3 | 2.4 | 2.3 | 2.4 |
| Sudan | 1.8 | 1.8 | 1.9 | 1.9 | 2.0 | 2.0 | 1.9 | 1.9 | 1.8 | 1.8 | |||||
| Eswatini | 2.1 | 2.3 | 2.7 | 3.1 | 3.2 | 3.4 | 3.5 | 3.6 | 3.6 | 3.8 | 3.9 | 3.9 | 4.1 | 4.0 | 4.1 |
| Uganda | 22.7 | 37.1 | 33.9 | 39.1 | 42.8 | 44.4 | 46.0 | 48.3 | 50.8 | 53.3 | 54.9 | 58.4 | 62.2 | 64.0 | 66.3 |
| Zambia | 5.0 | 6.9 | 10.5 | 11.1 | 11.9 | 12.5 | 13.1 | 13.5 | 14.0 | 14.5 | 15.1 | 15.3 | 14.9 | 15.8 | |
| Zimbabwe | 9.2 | 5.2 | 3.5 | 4.0 | 4.6 | 5.4 | 5.6 | 5.7 | 5.9 | 5.9 | 6.3 | 5.8 | 4.9 | 3.9 | 4.2 |