| Year | Value (Population) |
|---|---|
|
2022 |
5173720 |
|
2021 |
5065838 |
|
2020 |
4955739 |
|
2019 |
4843090 |
|
2018 |
4728810 |
|
2017 |
4614218 |
|
2016 |
4500021 |
|
2015 |
4387257 |
|
2014 |
4276083 |
|
2013 |
4167654 |
| Proportion of population served with at least basic water | 21209993 | Population (2022) |
| Proportion of population with unimproved water | 2922742 | Population (2022) |
| Proportion of population with surface water | 365663 | Population (2022) |