| Year | Poverty Incidence (%) | Estimated Population (Million) | Population in poverty (Million) |
| 1980 | 27.2 | 65 | 17.1 |
| 1985 | 46.3 | 75 | 34.7 |
| 1992 | 42.7 | 91.5 | 39.2 |
| 1996 | 65.6 | 102.3 | 67.1 |
| 2004 | 54.4 | 126.3 | 68.7 |
| 2010 | 69.0 | 163 | 112.47 |