Factmonster - http://www.factmonster.com/ 

An online atlas, dictionary, almanac, and encyclopedia for kids. Includes information on a wealth of topics, including specific countries. Click on the World link to get to country information.

Countries.com - http://www.countries.com/countries_a-z.html 

Provides a list of countries, just click on the link to get government, economic, population, etc.

CIA World Factbook - http://www.cia.gov/cia/publications/factbook/ 

Just choose your country from the drop down list at the top. A great resource for general information.

Atlapedia - http://www.atlapedia.com/online/country_index.htm 

Click on first letter of the country you want. Provides the basic information plus a little history of the country.

National Geographic Country Profiles- http://plasma.nationalgeographic.com/mapmachine/facts_fs.html 

Click on the continent and then select the country to get information.

What is the Capital City of… - http://www.what-is-the-capital-of.com/ 

Lists capital cities by countries in each continent and for the 50 US States. Also has geography quizzes and capital city quizzes.

Country Reports - http://www.countryreports.org/ 

Country information from around the world. Also includes flags, current weather, national anthems, and links to current news articles.

InfoPlease Countries of the World - http://www.infoplease.com/countries.html 

Each country profile provides information on: geography, maps, flag, history, current ruler, area, population, capital, largest cities, languages, ethnicity/race, religion, literacy rate, economy, government. Lots more features are also available.

United Nations CyberSchoolbus - Infonation - http://cyberschoolbus.un.org/infonation3/basic.asp 

Infonation is one part of the United Nations website for kids which contains lots of great information. This site allow students to select up to 6 countries at a time to compare statistics such as population, economy, technology, health, and environment. Results are automatically displayed in graphical form. A great resource for country studies and graphing studies.