Country size comparison
compared to
Burundi is about 7 times smaller than Senegal.
Senegal is approximately 196,722 sq km, while Burundi is approximately 27,830 sq km, making Burundi 14.15% the size of Senegal. Meanwhile, the population of Senegal is ~17.9 million people (5.2 million fewer people live in Burundi).
Compare further: Burundi vs. Senegal