| Year | Value (Population) |
|---|---|
|
2022 |
1619278 |
|
2021 |
1612988 |
|
2020 |
1605073 |
|
2019 |
1595419 |
|
2018 |
1584108 |
|
2017 |
1571950 |
|
2016 |
1558979 |
|
2015 |
1545112 |
|
2014 |
1530394 |
|
2013 |
1514906 |
| Proportion of population served with at least basic water | 0.50 | Population (1983) |
| Proportion of population with unimproved water | 2665281 | Population (2022) |
| Proportion of population with surface water | 2137397 | Population (2022) |