Country size comparison

compared to

Oklahoma is about 2.1 times smaller than Japan.

Japan is approximately 377,915 sq km, while Oklahoma is approximately 177,847 sq km, making Oklahoma 47.06% the size of Japan. Meanwhile, the population of Japan is ~124.2 million people (120.5 million fewer people live in Oklahoma).
Tip: This to-scale comparison of Japan vs. Oklahoma uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Oklahoma vs. Japan

Flip Comparison · See true size
See Oklahoma on top of Japan
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Quality of Life Comparison · 2 statistics
Be 32.1% less likely to be unemployed in Japan
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Cost of Living Comparison · 7 categories - 2026 data
Japan is 27.9% cheaper than Oklahoma
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Moving from Oklahoma to Japan · Cost, visas & climate
Compare cost of living, salary and climate.
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