Mongolia is about 13 times bigger than Pennsylvania.

Pennsylvania is approximately 116,075 sq km, while Mongolia is approximately 1,564,116 sq km, making Mongolia 1,248% larger than Pennsylvania. Meanwhile, the population of Pennsylvania is ~12.7 million people (9.5 million fewer people live in Mongolia).
This to-scale comparison of Pennsylvania vs. Mongolia uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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