Poverty headcount ratio at $1.90 a day is the percentage of the population living on less than $1.90 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.
| Дата | Значение | Изменение , % |
|---|---|---|
| 2011 | 22,5 | -31,40% |
| 2009 | 32,8 | -17,79% |
| 2004 | 39,9 | -16,18% |
| 1993 | 47,6 | -5,93% |
| 1987 | 50,6 | -10,28% |
| 1983 | 56,4 | -10,62% |
| 1977 | 63,1 |