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.
| Date | Valeur | Modifier , % |
|---|---|---|
| 2018 | 6,5 | -16,67 % |
| 2016 | 7,8 | -33,90 % |
| 2014 | 11,8 | -2,48 % |
| 2012 | 12,1 | -3,97 % |
| 2010 | 12,6 | -12,50 % |
| 2008 | 14,4 | 10,77 % |
| 2006 | 13,0 | -18,75 % |
| 2005 | 16,0 | 1,27 % |
| 2004 | 15,8 | -15,96 % |
| 2002 | 18,8 | -10,48 % |
| 2000 | 21,0 | -23,91 % |
| 1998 | 27,6 |