Guam is about 18,076 times smaller than United States.

United States is approximately 9,833,517 sq km, while Guam is approximately 544 sq km, making Guam 0.01% the size of United States. Meanwhile, the population of United States is ~337.3 million people (337.2 million fewer people live in Guam).
This to-scale comparison of United States vs. Guam uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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