Nevada is about 1.3 times smaller than Japan.

Japan is approximately 377,915 sq km, while Nevada is approximately 284,448 sq km, making Nevada 75.27% the size of Japan. Meanwhile, the population of Japan is ~124.2 million people (121.5 million fewer people live in Nevada).
Tip: This to-scale comparison of Japan vs. Nevada uses the Mercator projection, which distorts the size of regions near the poles.
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