Geography Quiz.io

THE POPULATION CHALLENGE

100 Most Populous Countries

Name the 100 most populous countries in the world in 20 minutes. Each one you type drops into its rank. Other countries don't count against you. All 197 countries count, including Taiwan and Kosovo; territories such as Puerto Rico do not.

20:00 timer · Type in any order · Wrong countries are ignored

PopulationCan you name all 100?
Score
0/100
Time
Time left: 20:00

Type the 100 most populous countries in any order. Each correct answer drops into its rank. Other countries are ignored.

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Population data and source

Uses population estimates from the archived CIA World Factbook, checked 14 September 2026. Reference years are mixed (the 2024 or 2025 estimate published for each country), so this ranks a fixed snapshot, not live counts. Other sources can swap close neighbours in the list.

Ranks the 197 countries of our world quizzes: the 193 UN member states plus Vatican City, Palestine, Kosovo and Taiwan. Dependent territories such as Greenland, Puerto Rico and Hong Kong are not ranked, and each country counts once, with its whole area and population.

France's population figure includes its overseas regions, as published in the Factbook.

Countries with exactly the same published figure share a rank. If a tie straddled the last place, every tied country would be accepted; none does in this snapshot.

Pinned World Factbook data archive (CC0)