World Factbook (CIA)
http://www.odci.gov/cia/publications/factbook/
One of the best sources for general economic information on all the countries of the world. A great resource.

Country Studies/Area Handbook Program (Library of Congress)
http://lcweb2.loc.gov/frd/cs/cshome.html
For particular foreign countries, reports describe and analyze the political, economic, social, and national security systems and institutions, and examine the interrelationships of those systems and the ways they are shaped by cultural factors. Each study is written by a multidisciplinary team of social scientists.

Organization for Economic Co-operation and Development (OECD) Country Surveys
http://www.oecd.org/infobycountry/0,2646,en_2649_201185_1_1_1_1_1,00.html
Economic surveys of many countries around the world that provide summaries of recent economic trends and policy issues.