Guinea-Bissau is about 3.1 times smaller than Bulgaria.

Bulgaria is approximately 110,879 sq km, while Guinea-Bissau is approximately 36,125 sq km, making Guinea-Bissau 32.58% the size of Bulgaria. Meanwhile, the population of Bulgaria is ~6.9 million people (4.8 million fewer people live in Guinea-Bissau).
This to-scale comparison of Bulgaria vs. Guinea-Bissau uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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