Democratic Republic of the Congo is about 21 times bigger than Bulgaria.

Bulgaria is approximately 110,879 sq km, while Democratic Republic of the Congo is approximately 2,344,858 sq km, making Democratic Republic of the Congo 2,015% larger than Bulgaria. Meanwhile, the population of Bulgaria is ~6.9 million people (101.5 million more people live in Democratic Republic of the Congo).
This to-scale comparison of Bulgaria vs. Democratic Republic of the Congo uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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