
Countries - The World Factbook
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The World Factbook - The World Factbook
Dec 25, 2025 · 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.
World - The World Factbook
Dec 23, 2025 · Visit the Definitions and Notes page to view a description of each topic.
United Kingdom - The World Factbook
Dec 23, 2025 · Explore All Countries United Kingdom Europe Page last updated: December 23, 2025
Birth rate Comparison - The World Factbook
Compares the average annual number of births during a year per 1,000 persons in the population at midyear; also known as crude birth rate.
United States - The World Factbook
Dec 23, 2025 · Explore All Countries United States North America Page last updated: December 23, 2025
Countries - The World Factbook
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El Salvador - The World Factbook
Dec 21, 2023 · Explore All Countries El Salvador Central America and the Caribbean Page last updated: December 21, 2023
Population growth rate Comparison - The World Factbook
Compares the average annual percent change in populations, resulting from a surplus (or deficit) of births over deaths and the balance of migrants entering and leaving a country. The rate may be …
Obesity - adult prevalence rate Comparison - The World Factbook
Gives the percent of a country's population considered to be obese.