Country size comparison
compared to
Swaziland is about 6 times smaller than Bulgaria.
Bulgaria is approximately 110,879 sq km, while Swaziland is approximately 17,364 sq km, making Swaziland 15.66% the size of Bulgaria. Meanwhile, the population of Bulgaria is ~6.9 million people (5.8 million fewer people live in Swaziland).
Compare further: Swaziland vs. Bulgaria