Most Well-Known Unpopulated Countries

Many of the most well-known countries in the world have populations above 20 million inhabitants. Can you name the most well-known nations that have populations of 20 million people or less?

Sources: the Countries of the World quiz and worldometers.com

Data is as of July 4th, 2025

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Last updated: July 4, 2025

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First submitted	July 4, 2025
Times taken	19
Average score	68.8%
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Guess Rate	Country	Population
86%	Iceland	398,000
86%	Ireland	5.31 Million
85%	Portugal	10.4 Million
85%	Sweden	10.7 Million
84%	Chile	19.9 Million
83%	Norway	5.62 Million
82%	Finland	5.62 Million
81%	Greece	9.94 Million

Guess Rate	Country	Population
80%	Denmark	6 Million
80%	New Zealand	5.25 Million
76%	Switzerland	8.97 Million
75%	Cuba	10.9 Million
75%	Netherlands	18.3 Million
74%	Mongolia	3.52 Million
73%	Austria	9.11 Million
73%	Belgium	11.8 Million