| Year | Value (Population) |
|---|---|
|
2022 |
5089151 |
|
2021 |
5016644 |
|
2020 |
4943364 |
|
2019 |
4869011 |
|
2018 |
4698236 |
|
2017 |
4529011 |
|
2016 |
4361754 |
|
2015 |
4179948 |
|
2014 |
4023755 |
|
2013 |
3872055 |
| Proportion of population served with piped water | 2401291 | Population (2022) |
| Proportion of population with unimproved water | 788460 | Population (2022) |
| Proportion of population with surface water | 43113 | Population (2022) |