Country size comparison

compared to

United Kingdom is about 2.1 times bigger than Pennsylvania.

Pennsylvania is approximately 116,075 sq km, while United Kingdom is approximately 243,610 sq km, making United Kingdom 110% larger than Pennsylvania. Meanwhile, the population of Pennsylvania is ~12.7 million people (55.1 million more people live in United Kingdom).
Tip: This to-scale comparison of Pennsylvania vs. United Kingdom uses the Mercator projection, which distorts the size of regions near the poles.
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