Country size comparison

compared to

Brunei is about 271 times smaller than Mongolia.

Mongolia is approximately 1,564,116 sq km, while Brunei is approximately 5,765 sq km, making Brunei 0.37% the size of Mongolia. Meanwhile, the population of Mongolia is ~3.2 million people (2.7 million fewer people live in Brunei).
Tip: This to-scale comparison of Mongolia vs. Brunei uses the Mercator projection, which distorts the size of regions near the poles.
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Quality of Life Comparison · 8 statistics
Make 79.1% less money in Mongolia
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Cost of Living Comparison · 7 categories - 2026 data
Mongolia is 8.6% cheaper than Brunei overall
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