| Year | Value (Population) |
|---|---|
|
2022 |
9209360 |
|
2021 |
9067095 |
|
2020 |
8925881 |
|
2019 |
8782429 |
|
2018 |
8651048 |
|
2017 |
8610046 |
|
2016 |
8564270 |
|
2015 |
8513872 |
|
2014 |
8458644 |
|
2013 |
8397785 |
| Proportion of population served with piped water | 11429599 | Population (2022) |
| Proportion of population with unimproved water | 1486325 | Population (2022) |
| Proportion of population with surface water | 455883 | Population (2022) |