| Year | Value (Population) |
|---|---|
|
2022 |
31765018 |
|
2021 |
30813889 |
|
2020 |
29857356 |
|
2019 |
28868150 |
|
2018 |
27879913 |
|
2017 |
26889865 |
|
2016 |
25895543 |
|
2015 |
24912359 |
|
2014 |
23976342 |
|
2013 |
23072036 |
| Proportion of rural population served with at least basic water | 34401448 | Population (2022) |
| Proportion of rural population with unimproved water | 2274589 | Population (2022) |
| Proportion of rural population with rural population with surface water | 6042 | Population (2018) |