Guinea-Bissau is about 26 times smaller than Nigeria.

Nigeria is approximately 923,768 sq km, while Guinea-Bissau is approximately 36,125 sq km, making Guinea-Bissau 3.91% the size of Nigeria. Meanwhile, the population of Nigeria is ~225.1 million people (223.1 million fewer people live in Guinea-Bissau).
This to-scale comparison of Nigeria vs. Guinea-Bissau uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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