Alaska is about 3.2 times bigger than Papua New Guinea.

Papua New Guinea is approximately 462,840 sq km, while Alaska is approximately 1,481,348 sq km, making Alaska 220% larger than Papua New Guinea. Meanwhile, the population of Papua New Guinea is ~9.6 million people (8.9 million fewer people live in Alaska).
Tip: This to-scale comparison of Papua New Guinea vs. Alaska uses the Mercator projection, which distorts the size of regions near the poles.
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