New Jersey is about 5 times smaller than South Korea.

South Korea is approximately 99,720 sq km, while New Jersey is approximately 19,211 sq km, making New Jersey 19.26% the size of South Korea. Meanwhile, the population of South Korea is ~51.8 million people (43.1 million fewer people live in New Jersey).
This to-scale comparison of South Korea vs. New Jersey uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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