Eritrea is about 2.3 times bigger than Costa Rica.

Costa Rica is approximately 51,100 sq km, while Eritrea is approximately 117,600 sq km, making Eritrea 130% larger than Costa Rica. Meanwhile, the population of Costa Rica is ~5.2 million people (1.0 million more people live in Eritrea).
This to-scale comparison of Costa Rica vs. Eritrea uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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