| Year | Value (Population) |
|---|---|
|
2022 |
9631276 |
|
2021 |
8997314 |
|
2020 |
8364534 |
|
2019 |
7740362 |
|
2018 |
7164658 |
|
2017 |
6618867 |
|
2016 |
6101184 |
|
2015 |
5624945 |
|
2014 |
5141659 |
|
2013 |
4658243 |
| Proportion of population served with at least basic water | 21445065 | Population (2022) |
| Proportion of population with unimproved water | 4309243 | Population (2022) |
| Proportion of population with surface water | 2540029 | Population (2022) |