United States is about 18,076 times bigger than Guam.
Guam is approximately 544 sq km, while United States is approximately 9,833,517 sq km. Meanwhile, the population of Guam is ~163 thousand people (324 million more people live in United States).
This to-scale map shows a size comparison of Guam compared to United States. For more details, see an in-depth comparison of United States vs. Guam using our country comparison tool.
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