It is our objective that these efforts will increase the quality and scope of demographic research in Africa. Population Studies Center, University of Pennsylvania. Surveys are implemented by host-country institutions, usually government statistical offices.
Many countries also survey men on family planning and health issues.
The Global Urban Indicators Database is a wealth of information on urban population, economics, environment, infrastructure, services, housing and local authorities. It contains more than 20,000 pieces of information on the state of cities world-wide. It includes only city level data and indicators, encompassing a large number of urban development issues with a main focus on the physical conditions of cities. It is a compilation of information from those studies appearing in the medical and scientific literature, presented at international conferences, and appearing in the press. The data base was developed on the microcomputer for portability and has a user-friendly interface.