Collaborative initiative between the University of Pennsylvania and African institutions specializing in demographic research and training. ACAP has obtained and archived censuses from African nations. Data exploration is through the African Census Navigator. Microdata is not available for download. Currently the following is available: (Botswana 1981, 1991; Gambia 1973, 1983, 1993; Lesotho 1986, 1996; Malawi 1977; Nigeria 1991; Senegal 1976; Sudan 1973; Swaziland 1986; Zambia 1980) Registration is required.