| Year | Value (Population) |
|---|---|
|
2022 |
47223743 |
|
2021 |
44698434 |
|
2020 |
42562737 |
|
2019 |
40453383 |
|
2018 |
38391981 |
|
2017 |
36372418 |
|
2016 |
34384727 |
|
2015 |
32448074 |
|
2014 |
30566579 |
|
2013 |
28729568 |
| Proportion of population served with piped water | 54371629 | Population (2022) |
| Proportion of population with unimproved water | 19783540 | Population (2022) |
| Proportion of population with surface water | 5493850 | Population (2022) |