| Year | Value (Population) |
|---|---|
|
2022 |
3284205 |
|
2021 |
3466471 |
|
2020 |
3641690 |
|
2019 |
3808780 |
|
2018 |
3968191 |
|
2017 |
4120492 |
|
2016 |
4265444 |
|
2015 |
4404241 |
|
2014 |
4536878 |
|
2013 |
4661788 |
| Proportion of rural population served with at least basic water | 4704606 | Population (2022) |
| Proportion of rural population served with piped water | 2925480 | Population (2022) |
| Proportion of rural population with unimproved water | 7659440 | Population (2022) |