| Year | Value (Population) |
|---|---|
|
2022 |
175882882 |
|
2021 |
173451423 |
|
2020 |
170926571 |
|
2019 |
168165329 |
|
2018 |
165285640 |
|
2017 |
162381464 |
|
2016 |
159436479 |
|
2015 |
156434634 |
|
2014 |
153381580 |
|
2013 |
150286713 |
| Proportion of population served with piped water | 63256241 | Population (2022) |
| Proportion of population with unimproved water | 11555377 | Population (2022) |
| Proportion of population with surface water | 2293565 | Population (2022) |