Guinea-Bissau is about 31 times smaller than Ethiopia.

Ethiopia is approximately 1,104,300 sq km, while Guinea-Bissau is approximately 36,125 sq km, making Guinea-Bissau 3.27% the size of Ethiopia. Meanwhile, the population of Ethiopia is ~135.5 million people (133.2 million fewer people live in Guinea-Bissau).
Tip: This to-scale comparison of Ethiopia vs. Guinea-Bissau uses the Mercator projection, which distorts the size of regions near the poles.
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