| Year | Value (Population) |
|---|---|
|
2022 |
11891194 |
|
2021 |
11216555 |
|
2020 |
10564195 |
|
2019 |
9942292 |
|
2018 |
9349258 |
|
2017 |
8778443 |
|
2016 |
8230029 |
|
2015 |
7709037 |
|
2014 |
7215315 |
|
2013 |
6742697 |
| Proportion of population served with at least basic water | 14459841 | Population (2022) |
| Proportion of population with unimproved water | 2487857 | Population (2022) |
| Proportion of population with surface water | 155106 | Population (2022) |