Utah is about 4.8 times smaller than Mauritania.

Mauritania is approximately 1,030,700 sq km, while Utah is approximately 212,751 sq km, making Utah 20.64% the size of Mauritania. Meanwhile, the population of Mauritania is ~4.2 million people (1.4 million fewer people live in Utah).
This to-scale comparison of Mauritania vs. Utah uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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