| Year | Value (Population) |
|---|---|
|
2016 |
575561 |
|
2015 |
576858 |
|
2014 |
579543 |
|
2013 |
580282 |
|
2012 |
577927 |
|
2011 |
535607 |
|
2010 |
491178 |
|
2009 |
446742 |
|
2008 |
401121 |
|
2007 |
358500 |
| Proportion of population served with at least basic water | 13077890 | Population (2022) |
| Proportion of population served with piped water | 1742024 | Population (2016) |
| Proportion of population with unimproved water | 452636 | Population (2016) |