Country size comparison

compared to

Illinois is about 2.6 times smaller than Japan.

Japan is approximately 377,915 sq km, while Illinois is approximately 143,961 sq km, making Illinois 38.09% the size of Japan. Meanwhile, the population of Japan is ~124.2 million people (111.4 million fewer people live in Illinois).
Tip: This to-scale comparison of Japan vs. Illinois uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Illinois vs. Japan

Flip Comparison · See true size
See Illinois on top of Japan
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Quality of Life Comparison · 3 statistics
Be 46.2% less likely to be unemployed in Japan
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Cost of Living Comparison · 7 categories - 2026 data
Japan is 32.6% cheaper than Illinois
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Moving from Illinois to Japan · Cost, visas & climate
Compare cost of living, salary and climate.
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