Country-specific market information is available from the following resources.

CIA World Fact Book, annual publication. Available free at https://www.cia.gov/library/publications/the-world-factbook/
Also available in print and on CD-ROM. Provides political, geographical and infrastructural information, as well as economic indicators on individual countries.
Country commercial guides, Annual publication. US State Department.
Available free at http://www.state.gov
The guides provide a comprehensive look at countries’ commercial environments, using economic, political and market analysis.
Economist Intelligent Unit’s Country Reports,
 Quarterly publication free at http://www.eiu.com

Exporters’ Encyclopedia free at http://dnb.com.au/Sales_and_Marketing/International_business_directories/Exporters_Encyclopedia/index.aspx
Information on trade regulation, documentation requirements, transportation and legislation affecting commerce in over 250 countries.

Index to Trade Information source on the Internet.
 International Trade Centre Available free at http://www.intracen.org/