| Year | Value (Population) |
|---|---|
|
2022 |
18569346 |
|
2021 |
18360721 |
|
2020 |
17500948 |
|
2019 |
16759637 |
|
2018 |
16140637 |
|
2017 |
15532335 |
|
2016 |
14933936 |
|
2015 |
14382491 |
|
2014 |
13890665 |
|
2013 |
13437231 |
| Proportion of rural population served with piped water | 11891273 | Population (2022) |
| Proportion of rural population with unimproved water | 661211 | Population (2022) |
| Proportion of rural population with rural population with surface water | 295204 | Population (2022) |