| Year | Value (Population) |
|---|---|
|
2022 |
3192173 |
|
2021 |
3144963 |
|
2020 |
3100210 |
|
2019 |
3053164 |
|
2018 |
3004818 |
|
2017 |
2956102 |
|
2016 |
2907025 |
|
2015 |
2857508 |
|
2014 |
2892618 |
|
2013 |
2953684 |
| Proportion of population served with piped water | 9574848 | Population (2022) |
| Proportion of population with unimproved water | 327190 | Population (2022) |
| Proportion of population with surface water | 2121 | Population (2021) |