Biggest Countries of the World by Area in 1939

Can you name the twenty countries of the world with the largest surface area in 1939?
Check the sticky comment for sources (spoilers included!)
This quiz counts only countries with de jure independence or a higher autonomy level at the time
Quiz by
MeowILoveCats123
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Last updated: November 7, 2025
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First submittedNovember 7, 2025
Times taken78
Average score85.0%
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Area (km²)
Country
21,471,000
Soviet Union
15,209,000
United Kingdom
12,666,000
France
9,841,000
United States
9,542,000
Canada
8,755,000
China
8,511,000
Brazil
7,704,000
Australia
3,781,000
Italy
2,793,000
Argentina
2,441,000
Belgium
2,191,000
Portugal
2,150,000
Saudi Arabia
2,095,000
Netherlands
1,984,000
Japan
1,969,000
Mexico
1,643,000
Iran
1,612,000
Mongolia
1,313,000
Bolivia
1,249,000
Peru
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1 Comments
+2
Level 67
Nov 7, 2025
According to the Norwegian Statistical Yearbook of 1939, Wikipedia (1, 2), and this Jetpunk quiz (for Saudi Arabia).

Why does the area I gave for the British Empire conflict so much with the other sources listing areas for the British Empire in 1939? That’s because I included countries with de jure independence. Canada and Australia, who contributed to roughly half of the British Empire’s area at the time (when not including de jure independent nations), were included separately. Other sources include them as part of the British Empire’s area because they were partly under British rule.

The U.S. beats Canada in terms of area because Newfoundland was independent in 1939.