Sierra Leone is about 4.8 times smaller than Republic of the Congo.

Republic of the Congo is approximately 342,000 sq km, while Sierra Leone is approximately 71,740 sq km, making Sierra Leone 20.98% the size of Republic of the Congo. Meanwhile, the population of Republic of the Congo is ~5.5 million people (3.1 million more people live in Sierra Leone).
This to-scale comparison of Republic of the Congo vs. Sierra Leone uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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