Country size comparison
compared to
Japan is about 3.8 times bigger than South Korea.
South Korea is approximately 99,720 sq km, while Japan is approximately 377,915 sq km, making Japan 279% larger than South Korea. Meanwhile, the population of South Korea is ~51.8 million people (72.4 million more people live in Japan).
Tip:
This to-scale comparison of
South Korea
vs.
Japan
uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Japan vs. South Korea
Flip Comparison · See true size
See Japan on top of South Korea
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Quality of Life Comparison · 9 statistics
Be 18.1% more likely to have internet access in South Korea
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Cost of Living Comparison · 7 categories - 2026 data
South Korea is 11.2% more expensive than Japan overall
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Moving from Japan to South Korea · OECD 2023
6,523 people moved from Japan to South Korea.
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