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.

Number of poor at $1.9 a day based on purchasing-power-parity (million persons)

2005201120142017
Cameroon5.9
Chad4.7
Congo, Rep.2.01.7
Gabon0.10.1