- U.S. Department of State: Mexico
Features profile of Mexico's government, political conditions, economy, foreign relations, and travel advisories.
- U.S. Library of Congress Country Study - Mexico
Comprehensive introduction to the country that includes sections on history, geography, society, economy, government, and politics
- Wikipedia: Mexico
Article featuring the history, government, politics, geography, economy, demographics, religion, languages, and culture of Mexico.
- World Factbook: Mexico
Facts, maps, and information about Mexico. Includes overviews of Mexican geography, government, transnational issues, and economic data. From the CIA.