| Year | Value (Population) |
|---|---|
|
2022 |
1439261 |
|
2021 |
1407970 |
|
2020 |
1375954 |
|
2019 |
1343447 |
|
2018 |
1310833 |
|
2017 |
1278193 |
|
2016 |
1245262 |
|
2015 |
1212836 |
|
2014 |
1181096 |
|
2013 |
1148944 |
| Proportion of population served with at least basic water | 4739831 | Population (2022) |
| Proportion of population served with piped water | 1780069 | Population (2022) |
| Proportion of population with surface water | 903660 | Population (2022) |