| Year | Value (Population) |
|---|---|
|
2022 |
1888020 |
|
2021 |
1845487 |
|
2020 |
1803493 |
|
2019 |
1758855 |
|
2018 |
1708834 |
|
2017 |
1659936 |
|
2016 |
1621714 |
|
2015 |
1594589 |
|
2014 |
1558929 |
|
2013 |
1506306 |
| Proportion of population served with at least basic water | 21209993 | Population (2022) |
| Proportion of population served with piped water | 4984966 | Population (2022) |
| Proportion of population with surface water | 459563 | Population (2022) |