| Year | Value (Population) |
|---|---|
|
2022 |
1558351 |
|
2021 |
1526179 |
|
2020 |
1469733 |
|
2019 |
1429471 |
|
2018 |
1390598 |
|
2017 |
1352881 |
|
2016 |
1316460 |
|
2015 |
1281596 |
|
2014 |
1248146 |
|
2013 |
1219238 |
| Proportion of population served with at least basic water | 8154947 | Population (2022) |
| Proportion of population served with piped water | 13710880 | Population (2022) |
| Proportion of population with unimproved water | 3763583 | Population (2022) |