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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Belgium | 34.7 | 48.8 | 63.4 | 73.2 | 87.4 | 84.0 | 92.5 | 99.7 | 115.4 | 111.3 | 107.8 | 115.5 | 117.7 | 111.4 | 118.3 | |
| Luxembourg | 346.1 | 406.7 | 679.4 | 896.5 | 1,134.7 | 1,178.8 | 1,243.9 | 1,328.0 | 1,276.9 | 1,340.9 | 1,420.3 | 1,401.2 | 1,243.7 | 1,353.1 | 1,388.4 | 1,484.6 |
| Netherlands | 58.6 | 76.8 | 59.9 | 67.9 | 74.1 | 69.8 | 70.3 | 80.0 | 92.2 | 99.0 | 103.2 | 103.2 | 101.7 | 98.9 | 109.8 |