Country size comparison

compared to

Japan is about 2.6 times bigger than Illinois.

Illinois is approximately 143,961 sq km, while Japan is approximately 377,915 sq km, making Japan 163% larger than Illinois. Meanwhile, the population of Illinois is ~12.8 million people (111.4 million more people live in Japan).
Tip: This to-scale comparison of Illinois vs. Japan uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Japan vs. Illinois

Flip Comparison · See true size
See Japan on top of Illinois
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Quality of Life Comparison · 3 statistics
Be 86.0% more likely to be unemployed in Illinois
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Cost of Living Comparison · 7 categories - 2026 data
Illinois is 89.3% more expensive than Japan overall
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Moving from Japan to Illinois · Cost, visas & climate
Compare cost of living, salary and climate.
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