| Year | Value (Population) |
|---|---|
|
2022 |
3127990 |
|
2021 |
3116893 |
|
2020 |
3393615 |
|
2019 |
3665566 |
|
2018 |
3933886 |
|
2017 |
4197697 |
|
2016 |
4455578 |
|
2015 |
4707759 |
|
2014 |
4954889 |
|
2013 |
5195940 |
| Proportion of population served with at least basic water | 13538293 | Population (2022) |
| Proportion of population served with piped water | 18358234 | Population (2022) |
| Proportion of population with surface water | 6038302 | Population (2022) |