Sierra Leone is about 2 times smaller than Iowa.

Iowa is approximately 144,701 sq km, while Sierra Leone is approximately 71,740 sq km, making Sierra Leone 49.58% the size of Iowa. Meanwhile, the population of Iowa is ~3.0 million people (5.6 million more people live in Sierra Leone).
This to-scale comparison of Iowa vs. Sierra Leone uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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