Peru is about 18 times bigger than Sierra Leone.

Sierra Leone is approximately 71,740 sq km, while Peru is approximately 1,285,216 sq km, making Peru 1,691% larger than Sierra Leone. Meanwhile, the population of Sierra Leone is ~8.7 million people (23.6 million more people live in Peru).
This to-scale comparison of Sierra Leone vs. Peru uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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