Eritrea is about 11 times smaller than Mali.

Mali is approximately 1,240,192 sq km, while Eritrea is approximately 117,600 sq km, making Eritrea 9.48% the size of Mali. Meanwhile, the population of Mali is ~25.2 million people (21.6 million fewer people live in Eritrea).
Tip: This to-scale comparison of Mali vs. Eritrea uses the Mercator projection, which distorts the size of regions near the poles.
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