| Year | Value (Population) |
|---|---|
|
2022 |
18800552 |
|
2021 |
18011595 |
|
2020 |
17193929 |
|
2019 |
16358935 |
|
2018 |
15517711 |
|
2017 |
14666277 |
|
2016 |
13804800 |
|
2015 |
12934276 |
|
2014 |
12056183 |
|
2013 |
11172853 |
| Proportion of rural population served with at least basic water | 30565476 | Population (2022) |
| Proportion of rural population with unimproved water | 1664180 | Population (2022) |
| Proportion of rural population with rural population with surface water | 19638 | Population (2019) |