| Year | Value (Population) |
|---|---|
|
2022 |
4254522 |
|
2021 |
4269140 |
|
2020 |
4135098 |
|
2019 |
3997517 |
|
2018 |
3853758 |
|
2017 |
3707816 |
|
2016 |
3560513 |
|
2015 |
3412603 |
|
2014 |
3262787 |
|
2013 |
3106554 |
| Proportion of population served with piped water | 58948921 | Population (2018) |
| Proportion of population with unimproved water | 48981 | Population (2022) |
| Proportion of population with surface water | 0 | Population (none) |