Proportion of urban population served with at least basic water (%)
| 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 |
| セネガル | 88.2 | 89.9 | 91.7 | 92.0 | 92.4 | 92.7 | 93.1 | 93.4 | 93.8 | 94.1 | 94.5 | 94.8 | 95.2 | 95.5 | 95.9 |
| ブルキナファソ | 78.9 | 79.2 | 79.7 | 79.7 | 79.8 | 79.9 | 80.0 | 80.1 | 80.2 | 80.3 | 80.3 | 80.4 | 80.5 | 80.7 | 80.9 |
| マリ | 77.2 | 81.2 | 85.2 | 86.0 | 86.8 | 87.6 | 88.4 | 89.2 | 90.0 | 90.8 | 91.5 | 92.3 | 93.1 | 93.9 | 94.7 |
| ギニアビサウ | 77.6 | 76.9 | 76.0 | 75.8 | 75.6 | 75.4 | 75.1 | 74.8 | 74.6 | 74.3 | 74.0 | 73.7 | 73.4 | 73.1 | 73.1 |
| ニジェール | 91.2 | 90.5 | 89.8 | 89.7 | 89.5 | 89.4 | 89.2 | 89.1 | 88.9 | 88.8 | 88.6 | 88.5 | 88.3 | 88.2 | 88.3 |
| トーゴ | 82.1 | 83.2 | 84.3 | 84.6 | 84.8 | 85.0 | 85.2 | 85.5 | 85.7 | 85.9 | 86.1 | 86.4 | 86.6 | 86.8 | 87.0 |
| ベナン | 77.1 | 76.4 | 75.6 | 75.5 | 75.4 | 75.2 | 75.1 | 74.9 | 74.8 | 74.6 | 74.5 | 74.3 | 74.2 | 74.1 | 74.1 |
| コートジボワール | 90.9 | 89.7 | 88.6 | 88.4 | 88.2 | 88.0 | 87.8 | 87.5 | 87.3 | 87.1 | 86.9 | 86.6 | 86.4 | 86.3 | 86.2 |