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

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