Thailand is about 2.5 times smaller than Peru.

Peru is approximately 1,285,216 sq km, while Thailand is approximately 513,120 sq km, making Thailand 39.92% the size of Peru. Meanwhile, the population of Peru is ~32.3 million people (37.4 million more people live in Thailand).
This to-scale comparison of Peru vs. Thailand uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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