| Year | Value (Population) |
|---|---|
|
2022 |
32704954 |
|
2021 |
31268167 |
|
2020 |
29841936 |
|
2019 |
28441854 |
|
2018 |
27089200 |
|
2017 |
25775045 |
|
2016 |
24497556 |
|
2015 |
23255215 |
|
2014 |
22053405 |
|
2013 |
20894387 |
| Proportion of urban population served with at least basic water | 8881492 | % (2022) |
| Proportion of urban population with unimproved water | 341957 | Population (2022) |
| Proportion of urban population with surface water | 26498 | Population (2017) |