Jamaica is about 22 times smaller than United Kingdom.

United Kingdom is approximately 243,610 sq km, while Jamaica is approximately 10,991 sq km, making Jamaica 4.51% the size of United Kingdom. Meanwhile, the population of United Kingdom is ~67.8 million people (65.0 million fewer people live in Jamaica).
This to-scale comparison of United Kingdom vs. Jamaica uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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