| Year | Value (Population) |
|---|---|
|
2022 |
13870342 |
|
2021 |
13672881 |
|
2020 |
13467946 |
|
2019 |
13255358 |
|
2018 |
13043535 |
|
2017 |
12820446 |
|
2016 |
12585460 |
|
2015 |
12349488 |
|
2014 |
12116088 |
|
2013 |
11880563 |
| Proportion of population served with at least basic water | 6838286 | Population (2022) |
| Proportion of population with unimproved water | 494352 | Population (2022) |
| Proportion of population with surface water | 282474 | Population (2022) |