The World Health Organization Statistical Information System (WHOSIS) is a guide to statistical information available at WHO, including core health indicators, mortality and health status, and disease statistics.
UNdata is a multi-disciplinary source providing official statistics produced by countries and compiled by the United Nations data system. The database also includes estimates and projections. Themes including Agriculture, Crime, Education, Employment, Energy, Environment, Health, HIV/AIDS, Human Development, Industry, Information and Communication Technology, National Accounts, Population, Refugees, Tourism, Trade, as well as the Millennium Development Goals indicators.
ICPSR maintains and provides access to a vast archive of social science data for research and includes many large time-series datasets. International in scope.
Agency of the Department of Health and Human Services (DHHS) whose mission is to promote health and quality of life by preventing and controlling disease, injury, and disability.