Country size comparison
compared to
Swaziland is about 7 times smaller than Eritrea.
Eritrea is approximately 117,600 sq km, while Swaziland is approximately 17,364 sq km, making Swaziland 14.77% the size of Eritrea. Meanwhile, the population of Eritrea is ~6.2 million people (5.1 million fewer people live in Swaziland).
Compare further: Swaziland vs. Eritrea