| Year | Value (Population) |
|---|---|
|
2022 |
29709476 |
|
2021 |
29326253 |
|
2020 |
28732808 |
|
2019 |
28141124 |
|
2018 |
27554668 |
|
2017 |
26950513 |
|
2016 |
26330344 |
|
2015 |
25706388 |
|
2014 |
25079838 |
|
2013 |
24444947 |
| Proportion of population served with at least basic water | 21209993 | Population (2022) |
| Proportion of population with unimproved water | 14459841 | Population (2022) |
| Proportion of population with surface water | 70732742 | Population (2022) |