| Year | Value (Population) |
|---|---|
|
2021 |
1627944 |
|
2020 |
1590200 |
|
2019 |
1553087 |
|
2018 |
1516488 |
|
2017 |
1480175 |
|
2016 |
1422073 |
|
2015 |
1365637 |
|
2014 |
1310810 |
|
2013 |
1257532 |
|
2012 |
1205604 |
| Proportion of population served with piped water | 3237166 | Population (2021) |
| Proportion of population with unimproved water | 552056 | Population (2021) |
| Proportion of population with surface water | 356441 | Population (2021) |