| Year | Value (Population) |
|---|---|
|
2022 |
110701006 |
|
2021 |
105802589 |
|
2020 |
101056084 |
|
2019 |
96451286 |
|
2018 |
92011478 |
|
2017 |
87695673 |
|
2016 |
83519102 |
|
2015 |
79520517 |
|
2014 |
75649862 |
|
2013 |
71868169 |
| Proportion of population served with piped water | 27053085 | Population (2022) |
| Proportion of population with unimproved water | 24980355 | Population (2022) |
| Proportion of population with surface water | 10114111 | Population (2022) |