The World Factbook

The World Factbook provides basic intelligence on the history, people, government, economy, energy, geography, environment, communications, transportation, military, terrorism, and transnational issues for 266 world entities.

Travel the globe with CIA’s World Factbook.

What's New

Have you ever heard of AOSIS? The acronym stands for the Alliance of Small Island States. Established in 1990, it is an intergovernmental organization of 39 small island and low-lying coastal countries that are particularly vulnerable to climate change. AOSIS has been very active from its inception and has played a leading role in global forums in raising awareness on climate change and in advocating for action to address climate change. To find out more about AOSIS, or about any of more than 200 other international organizations, go to References and click on Appendix B: International Organizations and Groups.


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Explore Countries

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World Travel Facts

Travel more intelligently with The World Factbook Travel Facts. Here’s what you should know about each country before you go.

One-page Country Summaries

Pressed for time? Check out our one-page summaries for essential information on each country.

Flags of the World

Every flag has a story. View flags of all the world’s countries and territories to learn the symbolism behind each design.

Country Comparisons

Love data? The World Factbook has over 65 rank order pages that compare country data in specific fields.

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