| Year | Value (Population) |
|---|---|
|
2022 |
9038309 |
|
2021 |
8900059 |
|
2020 |
8757489 |
|
2019 |
8607919 |
|
2018 |
8456483 |
|
2017 |
8309257 |
|
2016 |
8159009 |
|
2015 |
8007778 |
|
2014 |
7863846 |
|
2013 |
7726676 |
| Proportion of population served with at least basic water | 13077890 | Population (2022) |
| Proportion of population with unimproved water | 21209993 | Population (2022) |
| Proportion of population with surface water | 14459841 | Population (2022) |