| Year | Value (Population) |
|---|---|
|
2020 |
1769561 |
|
2019 |
1743869 |
|
2018 |
1718383 |
|
2017 |
1693028 |
|
2016 |
1671482 |
|
2015 |
1649325 |
|
2014 |
1627377 |
|
2013 |
1627580 |
|
2012 |
1659206 |
|
2011 |
1690158 |
| Proportion of population served with piped water | 4711634 | Population (2020) |
| Proportion of population with unimproved water | 914108 | Population (2020) |
| Proportion of population with surface water | 219842 | Population (2020) |