Peru is about 8 times smaller than United States.

United States is approximately 9,833,517 sq km, while Peru is approximately 1,285,216 sq km, making Peru 13.07% the size of United States. Meanwhile, the population of United States is ~341.8 million people (307.2 million fewer people live in Peru).
Tip: This to-scale comparison of United States vs. Peru uses the Mercator projection, which distorts the size of regions near the poles.
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