CountryWatch - Approximately 191 country overviews including economic and demographic statistics, as well as political, economic, corporate, and environmental data.
Culture Grams -Country information. Includes World Edition, Kids Edition, States Edition (U.S.) and Provinces Edition (Canada). Covers Land and Climate, History, Population, Language, Religion, Customs and Courtesies, Lifestyle, Government, Economy, Education, Health, Transportation and Communications.
Europa - Contains lengthy and informative essays about the economic history of a country, focusing on recent history. Highly recommended.
Doing Business from The World Bank - Great online series on regulations and measurements of most individual countries.
Recommended Background Reading
These books will give you the intellectual tools to analyze international economics. More titles are available under international competition.