| Year | Value (Population) |
|---|---|
|
2022 |
19025623 |
|
2021 |
18151639 |
|
2020 |
17224353 |
|
2019 |
16326174 |
|
2018 |
15455782 |
|
2017 |
14590051 |
|
2016 |
13730217 |
|
2015 |
12889781 |
|
2014 |
12099459 |
|
2013 |
11365470 |
| Proportion of rural population served with piped water | 11694821 | Population (2022) |
| Proportion of rural population with unimproved water | 6906081 | Population (2022) |
| Proportion of rural population with rural population with surface water | 7402401 | Population (2022) |