غينيا 

منشأ Public Opinion Research Group

منشأ Ghana Centre for Democratic Development (CDD), Institute for Justice and Reconciliation in South Africa (IJR), Institute for Empirical Research in Political Economy (IREEP), Institute for Development Studies (IDS), Michigan State University (MSU), University of Cape Town (UCT, South Africa)

منشأ FAO Statistics Division

منشأ Institut National de la Statistique (INS)