Country size comparison
compared to
Burundi is about 56 times smaller than Mongolia.
Mongolia is approximately 1,564,116 sq km, while Burundi is approximately 27,830 sq km, making Burundi 1.78% the size of Mongolia. Meanwhile, the population of Mongolia is ~3.2 million people (9.5 million more people live in Burundi).
Compare further: Burundi vs. Mongolia