| Year | Value (Population) |
|---|---|
|
2022 |
4204002 |
|
2021 |
4099778 |
|
2020 |
3998283 |
|
2019 |
3899097 |
|
2018 |
3803709 |
|
2017 |
3712237 |
|
2016 |
3624358 |
|
2015 |
3539464 |
|
2014 |
3456434 |
|
2013 |
3375935 |
| Proportion of population served with at least basic water | 11042303 | Population (2022) |
| Proportion of population with unimproved water | 1081865 | Population (2022) |
| Proportion of population with surface water | 401568 | Population (2022) |