Country size comparison
compared to
Algeria is about 20 times bigger than Eritrea.
Eritrea is approximately 117,600 sq km, while Algeria is approximately 2,381,740 sq km, making Algeria 1,925% larger than Eritrea. Meanwhile, the population of Eritrea is ~6.2 million people (38.0 million more people live in Algeria).
Compare further: Algeria vs. Eritrea