Proportion of the population using improved drinking water sources, rural
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 25 | |
| 1995 | 38 | |
| 2000 | 51 | |
| 2005 | 63 | |
| 2008 | 66 |
Proportion of the population using improved drinking water sources, total
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 52 | |
| 1995 | 64 | |
| 2000 | 74 | |
| 2005 | 83 | |
| 2008 | 86 |
Proportion of the population using improved drinking water sources, urban
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 81 | |
| 1995 | 87 | |
| 2000 | 92 | |
| 2005 | 98 | |
| 2008 | 99 |
