| Year | Value (Population) |
|---|---|
|
2022 |
1503134 |
|
2021 |
1489271 |
|
2020 |
1473449 |
|
2019 |
1453173 |
|
2018 |
1429294 |
|
2017 |
1404995 |
|
2016 |
1380781 |
|
2015 |
1356754 |
|
2014 |
1333501 |
|
2013 |
1311693 |
| Proportion of population served with piped water | 1250563 | Population (2022) |
| Proportion of population with unimproved water | 142925 | Population (2022) |
| Proportion of population with surface water | 173237 | Population (2022) |