| Year | Value (Population) |
|---|---|
|
2022 |
2696257 |
|
2021 |
2667017 |
|
2020 |
2642078 |
|
2019 |
2609729 |
|
2018 |
2568559 |
|
2017 |
2527384 |
|
2016 |
2482837 |
|
2015 |
2434262 |
|
2014 |
2335465 |
|
2013 |
2233155 |
| Proportion of population served with piped water | 9719560 | Population (2022) |
| Proportion of population with unimproved water | 133962 | Population (2022) |
| Proportion of population with surface water | 30590 | Population (2019) |