| Year | Value (Population) |
|---|---|
|
2022 |
11042303 |
|
2021 |
10732394 |
|
2020 |
10421771 |
|
2019 |
10110939 |
|
2018 |
9804123 |
|
2017 |
9503009 |
|
2016 |
9206987 |
|
2015 |
8915091 |
|
2014 |
8625997 |
|
2013 |
8340958 |
| Proportion of population served with piped water | 4204002 | Population (2022) |
| Proportion of population with unimproved water | 1081865 | Population (2022) |
| Proportion of population with surface water | 401568 | Population (2022) |