| Year | Value (Population) |
|---|---|
|
2022 |
5150776 |
|
2021 |
5096043 |
|
2020 |
5018571 |
|
2019 |
4925859 |
|
2018 |
4809916 |
|
2017 |
4697179 |
|
2016 |
4592867 |
|
2015 |
4484663 |
|
2014 |
4379306 |
|
2013 |
4275951 |
| Proportion of population served with piped water | 16432098 | Population (2022) |
| Proportion of population with unimproved water | 462134 | Population (2022) |
| Proportion of population with surface water | 311308 | Population (2022) |