Country size comparison
compared to
Burundi is about 2.4 times smaller than Sri Lanka.
Sri Lanka is approximately 65,610 sq km, while Burundi is approximately 27,830 sq km, making Burundi 42.42% the size of Sri Lanka. Meanwhile, the population of Sri Lanka is ~23.2 million people (10.5 million fewer people live in Burundi).
Compare further: Burundi vs. Sri Lanka