| Year | Value (Population) |
|---|---|
|
2022 |
2688164 |
|
2021 |
2642336 |
|
2020 |
2594761 |
|
2019 |
2545952 |
|
2018 |
2496141 |
|
2017 |
2445296 |
|
2016 |
2393517 |
|
2015 |
2341201 |
|
2014 |
2288482 |
|
2013 |
2235185 |
| Proportion of population served with at least basic water | 4563533 | Population (2022) |
| Proportion of population with unimproved water | 1130148 | Population (2022) |
| Proportion of population with surface water | 889505 | Population (2022) |