Guam is about 448 times smaller than United Kingdom.

United Kingdom is approximately 243,610 sq km, while Guam is approximately 544 sq km, making Guam 0.22% the size of United Kingdom. Meanwhile, the population of United Kingdom is ~65.8 million people (65.6 million fewer people live in Guam).

This to-scale map shows a size comparison of United Kingdom compared to Guam. For more details, see an in-depth quality of life comparison of Guam vs. United Kingdom using our country comparison tool.


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