Country size comparison

compared to

Illinois is about 1.7 times smaller than United Kingdom.

United Kingdom is approximately 243,610 sq km, while Illinois is approximately 143,961 sq km, making Illinois 59.09% the size of United Kingdom. Meanwhile, the population of United Kingdom is ~67.8 million people (55.0 million fewer people live in Illinois).
This to-scale comparison of United Kingdom vs. Illinois uses the Mercator projection, which distorts the size of regions near the poles. Learn more.
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