Eritrea is about 1.7 times smaller than Senegal.

Senegal is approximately 196,722 sq km, while Eritrea is approximately 117,600 sq km, making Eritrea 59.78% the size of Senegal. Meanwhile, the population of Senegal is ~17.9 million people (11.7 million fewer people live in Eritrea).
This to-scale comparison of Senegal vs. Eritrea uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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