Country size comparison

compared to

Brunei is about 66 times smaller than Japan.

Japan is approximately 377,915 sq km, while Brunei is approximately 5,765 sq km, making Brunei 1.53% the size of Japan. Meanwhile, the population of Japan is ~124.2 million people (123.7 million fewer people live in Brunei).
Tip: This to-scale comparison of Japan vs. Brunei uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Brunei vs. Japan
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Cost of Living Comparison · 7 categories - 2026 data
Japan is 18.0% more expensive than Brunei overall
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