| Year | Value (Population) |
|---|---|
|
2022 |
3394967 |
|
2021 |
3636737 |
|
2020 |
3866379 |
|
2019 |
4082924 |
|
2018 |
4287080 |
|
2017 |
4479652 |
|
2016 |
4660630 |
|
2015 |
4831544 |
|
2014 |
4992631 |
|
2013 |
5142360 |
| Proportion of population served with at least basic water | 9246749 | Population (2022) |
| Proportion of population served with piped water | 10716285 | Population (2022) |
| Proportion of population with unimproved water | 9047144 | Population (2022) |