Austria is about 4.5 times smaller than Japan.

Japan is approximately 377,915 sq km, while Austria is approximately 83,871 sq km, making Austria 22.19% the size of Japan. Meanwhile, the population of Japan is ~124.2 million people (115.3 million fewer people live in Austria).
This to-scale comparison of Japan vs. Austria uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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