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

Passenger traffic through the World’s airports in 2021 increased 38.3% over 2020, reflecting a significant rebound in the wake of the COVID-19 pandemic. Hartsfield-Jackson International Airport in Atlanta was the World’s busiest in 2021 with 75.7 million passengers. US airports dominated with nine out of the top 10 airports, including the top seven. Most of this recovery was due to an increase in domestic travel in the US. Air cargo volumes also increased 15.4% globally, to reach a record 125 million metric tons. Check out all the latest numbers under World > Transportation > “Airports”.

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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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