| Year | Value (Population) |
|---|---|
|
2022 |
17193400 |
|
2021 |
16833732 |
|
2020 |
16467615 |
|
2019 |
15969599 |
|
2018 |
15434950 |
|
2017 |
14907904 |
|
2016 |
14404628 |
|
2015 |
13901500 |
|
2014 |
13379187 |
|
2013 |
12773357 |
| Proportion of population served with piped water | 37175466 | Population (2022) |
| Proportion of population with unimproved water | 49872 | Population (2019) |
| Proportion of population with surface water | 327531 | Population (2022) |