Kaiser foundation website provides basic health facts for most countires, and includes citations and links to the data sources.

Provides a variety of reports, publications, data and statistics on matters relating to health, nutrition and population in underdeveloped countries.  Some topics covered are: health systems development; population/reproductive health; HIV/AIDS; nutrition; poverty and health, and public health.  Information can be searched by topic, country, and region.

International public health agency provides data, scientific, technical, and topical information on health issues in  Latin America and Caribbean.

World Health Organization (WHO) is the United Nations specialized agency for health. Topics often include databases for data on health topics by country.

    
 

Data covers: core health indicators; mortality and health status;disease statistics; health system statistics; risk factors and health service coverage, and inequities in health.

One-stop data source for health, nutrition and population indicators from various national and international data sources. Provides direct access to more than 100 indicators, with time series for countries and country groups from 1960 to the most recent year, where data are available.