Country size comparison
compared to
Sierra Leone is about 22 times smaller than Mongolia.
Mongolia is approximately 1,564,116 sq km, while Sierra Leone is approximately 71,740 sq km, making Sierra Leone 4.59% the size of Mongolia. Meanwhile, the population of Mongolia is ~3.2 million people (5.5 million more people live in Sierra Leone).
Tip:
This to-scale comparison of
Mongolia
vs.
Sierra Leone
uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Sierra Leone vs. Mongolia
Flip Comparison · See true size
See Sierra Leone on top of Mongolia
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Quality of Life Comparison · 16 statistics
Make 9.6 times more money in Mongolia
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Cost of Living Comparison · 6 categories - 2026 data
Mongolia is 83.6% more expensive than Sierra Leone overall
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Moving from Sierra Leone to Mongolia · Cost, visas & climate
Compare cost of living, salary and climate.
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