| Year | Value (Population) |
|---|---|
|
2022 |
9246749 |
|
2021 |
9025205 |
|
2020 |
8799620 |
|
2019 |
8568212 |
|
2018 |
8333816 |
|
2017 |
8098129 |
|
2016 |
7861653 |
|
2015 |
7627046 |
|
2014 |
7394613 |
|
2013 |
7165611 |
| Proportion of population served with piped water | 10716285 | Population (2022) |
| Proportion of population with unimproved water | 9047144 | Population (2022) |
| Proportion of population with surface water | 3394967 | Population (2022) |