| Year | Value (Population) |
|---|---|
|
2022 |
3763583 |
|
2021 |
3688446 |
|
2020 |
3639830 |
|
2019 |
3574673 |
|
2018 |
3509363 |
|
2017 |
3443532 |
|
2016 |
3377746 |
|
2015 |
3312903 |
|
2014 |
3248858 |
|
2013 |
3194024 |
| Proportion of population served with at least basic water | 8154947 | Population (2022) |
| Proportion of population served with piped water | 13710880 | Population (2022) |
| Proportion of population with surface water | 1558351 | Population (2022) |