| Year | Value (Population) |
|---|---|
|
2022 |
32566343 |
|
2021 |
32150817 |
|
2020 |
32187102 |
|
2019 |
32029836 |
|
2018 |
31301041 |
|
2017 |
30558364 |
|
2016 |
29858998 |
|
2015 |
29258523 |
| 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) |