| Year | Value (Population) |
|---|---|
|
2022 |
32055893 |
|
2021 |
31502379 |
|
2020 |
31222746 |
|
2019 |
30918038 |
|
2018 |
30579197 |
|
2017 |
30220385 |
|
2016 |
29845523 |
|
2015 |
29460269 |
|
2014 |
29073995 |
|
2013 |
28694608 |
| Proportion of population served with at least basic water | 10805271 | Population (2022) |
| Proportion of population with unimproved water | 154719 | Population (2022) |
| Proportion of population with surface water | 30548 | Population (2022) |