Poverty headcount ratio at $5.50 a day is the percentage of the population living on less than $5.50 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 , % |
|---|---|---|
| 2019 | 19,6 | -1,01 % |
| 2018 | 19,8 | -1,98 % |
| 2017 | 20,2 | 1,00 % |
| 2016 | 20,0 | 7,53 % |
| 2015 | 18,6 | 5,68 % |
| 2014 | 17,6 | -8,81 % |
| 2013 | 19,3 | -8,53 % |
| 2012 | 21,1 | -11,34 % |
| 2011 | 23,8 | -12,82 % |
| 2009 | 27,3 | -4,88 % |
| 2008 | 28,7 | -10,03 % |
| 2007 | 31,9 |