Country size comparison

compared to

United States is about 40 times bigger than United Kingdom.

United Kingdom is approximately 243,610 sq km, while United States is approximately 9,833,517 sq km, making United States 3,937% larger than United Kingdom. Meanwhile, the population of United Kingdom is ~67.8 million people (269.6 million more people live in United States).
This to-scale comparison of United Kingdom vs. United States uses the Mercator projection, which distorts the size of regions near the poles. Learn more.
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