| Year | Value (Population) |
|---|---|
|
2022 |
8108081 |
|
2021 |
7850139 |
|
2020 |
7496356 |
|
2019 |
7157861 |
|
2018 |
6824747 |
|
2017 |
6501001 |
|
2016 |
6195365 |
|
2015 |
5913993 |
|
2014 |
5642987 |
|
2013 |
5363335 |
| Proportion of population served with piped water | 2975059 | Population (2022) |
| Proportion of population with unimproved water | 5014865 | Population (2022) |
| Proportion of population with surface water | 1270306 | Population (2022) |