| Year | Value (Population) |
|---|---|
|
2022 |
30515342 |
|
2021 |
28708854 |
|
2020 |
26939325 |
|
2019 |
25211825 |
|
2018 |
23540005 |
|
2017 |
21919115 |
|
2016 |
20342787 |
|
2015 |
18822956 |
|
2014 |
17360380 |
|
2013 |
15948359 |
| Proportion of rural population served with at least basic water | 34737992 | Population (2022) |
| Proportion of rural population with unimproved water | 19400623 | Population (2022) |
| Proportion of rural population with rural population with surface water | 5136665 | Population (2022) |