Tanzania is about 13 times bigger than Sierra Leone.

Sierra Leone is approximately 71,740 sq km, while Tanzania is approximately 947,300 sq km, making Tanzania 1,220% larger than Sierra Leone. Meanwhile, the population of Sierra Leone is ~8.7 million people (55.2 million more people live in Tanzania).
This to-scale comparison of Sierra Leone vs. Tanzania uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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