| Year | Value (Population) |
|---|---|
|
2022 |
17924841 |
|
2021 |
17593071 |
|
2020 |
17257508 |
|
2019 |
16912904 |
|
2018 |
16576728 |
|
2017 |
16234621 |
|
2016 |
15873738 |
|
2015 |
15513689 |
|
2014 |
15159230 |
|
2013 |
14796344 |
| Proportion of population served with at least basic water | 13077890 | Population (2022) |
| Proportion of population with unimproved water | 5047910 | Population (2022) |
| Proportion of population with surface water | 10339328 | Population (2022) |