| Year | Value (Population) |
|---|---|
|
2022 |
17521652 |
|
2021 |
16909067 |
|
2020 |
16491343 |
|
2019 |
15973845 |
|
2018 |
15381926 |
|
2017 |
15117843 |
|
2016 |
15115862 |
|
2015 |
15320133 |
|
2014 |
16023377 |
|
2013 |
17238609 |
| Proportion of population served with at least basic water | 21209993 | Population (2022) |
| Proportion of population with unimproved water | 19660 | Population (2022) |
| Proportion of population with surface water | 510 | Population (2022) |