South Korea is about 4.6 times smaller than Papua New Guinea.

Papua New Guinea is approximately 462,840 sq km, while South Korea is approximately 99,720 sq km, making South Korea 21.55% the size of Papua New Guinea. Meanwhile, the population of Papua New Guinea is ~9.6 million people (42.3 million more people live in South Korea).
This to-scale comparison of Papua New Guinea vs. South Korea uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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