Madagascar is about 5 times bigger than Eritrea.

Eritrea is approximately 117,600 sq km, while Madagascar is approximately 587,041 sq km, making Madagascar 399% larger than Eritrea. Meanwhile, the population of Eritrea is ~6.2 million people (22.0 million more people live in Madagascar).
Tip: This to-scale comparison of Eritrea vs. Madagascar uses the Mercator projection, which distorts the size of regions near the poles.
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