| Year | Value (Population) |
|---|---|
|
2022 |
3524449 |
|
2021 |
3473914 |
|
2020 |
3501738 |
|
2019 |
3522617 |
|
2018 |
3542287 |
|
2017 |
3562378 |
|
2016 |
3582293 |
|
2015 |
3602614 |
|
2014 |
3618123 |
|
2013 |
3628816 |
| Proportion of population served with piped water | 12658200 | Population (2018) |
| Proportion of population with unimproved water | 1 | Population (2006) |
| Proportion of population with surface water | 0 | Population (none) |