Poverty headcount ratio at $3.20 a day is the percentage of the population living on less than $3.20 a day at 2011 international prices. As a result of revisions in PPP exchange rates, poverty rates for individual countries cannot be compared with poverty rates reported in earlier editions.
| التاريخ | Value | تغيير , % |
|---|---|---|
| 2012 | 70.9 | -12.90 % |
| 2007 | 81.4 | -3.67 % |
| 2002 | 84.5 | 14.50 % |
| 1994 | 73.8 | -25.08 % |
| 1991 | 98.5 |