| Year | Value (Population) |
|---|---|
|
2022 |
11521863 |
|
2021 |
11368483 |
|
2020 |
11208170 |
|
2019 |
11038216 |
|
2018 |
10865481 |
|
2017 |
10688761 |
|
2016 |
10509239 |
|
2015 |
10328835 |
|
2014 |
10148655 |
|
2013 |
9969753 |
| Proportion of population served with at least basic water | 13077890 | Population (2022) |
| Proportion of population with unimproved water | 21209993 | Population (2022) |
| Proportion of population with surface water | 14459841 | Population (2022) |