Population below $1.90 a day is the percentage of the population living on less than $1.90 a day at 2011 international prices.
| التاريخ | Value | تغيير , % |
|---|---|---|
| 2011 | 22.5 | -31.46 % |
| 2009 | 32.8 | -17.71 % |
| 2004 | 39.9 | -16.21 % |
| 1993 | 47.6 | -5.84 % |
| 1987 | 50.6 | -10.32 % |
| 1983 | 56.4 | -10.63 % |
| 1977 | 63.1 |