Papua New Guinea is about 4.6 times smaller than Saudi Arabia.

Saudi Arabia is approximately 2,149,690 sq km, while Papua New Guinea is approximately 462,840 sq km, making Papua New Guinea 21.53% the size of Saudi Arabia. Meanwhile, the population of Saudi Arabia is ~35.4 million people (25.8 million fewer people live in Papua New Guinea).
This to-scale comparison of Saudi Arabia vs. Papua New Guinea uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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