New Caledonia is about 4.2 times smaller than Serbia.

Serbia is approximately 77,474 sq km, while New Caledonia is approximately 18,575 sq km, making New Caledonia 23.98% the size of Serbia. Meanwhile, the population of Serbia is ~6.7 million people (6.4 million fewer people live in New Caledonia).
This to-scale comparison of Serbia vs. New Caledonia uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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