Missouri is about 5 times smaller than Nigeria.

Nigeria is approximately 923,768 sq km, while Missouri is approximately 178,414 sq km, making Missouri 19.31% the size of Nigeria. Meanwhile, the population of Nigeria is ~225.1 million people (219.1 million fewer people live in Missouri).
This to-scale comparison of Nigeria vs. Missouri uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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