Number of people, in millions, living on less than $1.90 a day at 2011 PPP is calculated by multiplying the poverty rate and the population. As a result of revisions in PPP exchange rates, poverty rates for individual countries cannot be compared with poverty rates reported in earlier editions.
| 2005 | 2010 | 2011 | 2012 | 2014 | 2015 | 2016 | 2018 | |
|---|---|---|---|---|---|---|---|---|
| Benin | 5.0 | 5.2 | ||||||
| Burkina Faso | 7.7 | |||||||
| Cape Verde | 0.0 | |||||||
| Cote d'Ivoire | 6.9 | |||||||
| Gambia, The | 0.5 | 0.2 | ||||||
| Ghana | 5.2 | 3.0 | 3.7 | |||||
| Guinea-Bissau | 1.0 | |||||||
| Liberia | 1.8 | 2.0 | ||||||
| Niger | 10.3 | 8.7 | 8.7 | |||||
| Nigeria | 78.5 | |||||||
| Senegal | 4.4 | 5.0 | ||||||
| Sierra Leone | 3.6 | 3.3 | ||||||
| Togo | 3.6 | 3.7 |