Poverty headcount ratio at $1.90 a day (2011 PPP) (% of population) - Sub-Saharan Africa (excluding high income)
World Bank, Development Research Group. Data are based on primary household survey data obtained from government statistical agencies and World Bank country departments. Data for high-income economies are from the Luxembourg Income Study database. For more information and methodology, please see PovcalNet ( iresearch.worldbank.org/PovcalNet/index.htm ).