Publisher
              The World Bank
          The primary World Bank collection of development indicators on Africa, compiled from officially-recognized international sources. It presents the most current and accurate global development data available, and includes national, regional and global estimates.
Publication date
              Source / Citation
              The World Bank. Africa Development Indicators 2011. International Bank for Reconstruction and Development / The World Bank, Washington, D.C.
          Last version on
              Location
              http://data.worldbank.org/sites/default/files/adi_2011-web.pdf