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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| المكسيك | 10.7 | 13.9 | 13.2 | 13.4 | 13.9 | 13.8 | 14.1 | 13.9 | 14.2 | 14.3 | 14.3 | 14.4 | 14.3 | 13.1 | 13.8 |
| كندا | 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 |
| الولايات المتحدة الأمريكية | 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 |