| Year | Value (Population) |
|---|---|
|
2016 |
42243291 |
|
2015 |
41739429 |
|
2014 |
41216696 |
|
2013 |
40693555 |
|
2012 |
40172697 |
|
2011 |
39556983 |
|
2010 |
38952442 |
|
2009 |
38352257 |
|
2008 |
37757750 |
|
2007 |
37176027 |
| Proportion of population served with at least basic water | 0.50 | Population (1983) |
| Proportion of population with unimproved water | 212607 | Population (2016) |
| Proportion of population with surface water | 206008 | Population (2016) |