Provides data, reports, guidelines on health related topics.

The above link is for the STAT compiler produced by USAID.
This is for the Demographic and Health Survey data sets:
http://www.statcompiler.com/index.cfm

Federal statistics, very user-friendly gateway to many federal data sources. http://www.fedstats.gov/

http://health.mo.gov/data/mica/MICA/

http://mcdc2.missouri.edu/

These pages are sponsored by Partners in Information Access for the Public Health Workforce. The site includes an evidence-based segment specifically for public health.

http://www.census.gov/compendia/statab/

This site includes statistical sources, published reports and documents covering diverse subjects produced by members of this organization. http://www.unesco.org/new/en/unesco/

Broken down into several subcategories, this site provides a great deal of primary data for research. http://data.worldbank.org/

Provides statistics on global health related topics.