Papua New Guinea is about 1.3 times smaller than Madagascar.

Madagascar is approximately 587,041 sq km, while Papua New Guinea is approximately 462,840 sq km, making Papua New Guinea 78.84% the size of Madagascar. Meanwhile, the population of Madagascar is ~28.2 million people (18.6 million fewer people live in Papua New Guinea).
This to-scale comparison of Madagascar vs. Papua New Guinea uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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