Country size comparison
compared to
Brunei is about 1.8 times smaller than Lebanon.
Lebanon is approximately 10,400 sq km, while Brunei is approximately 5,765 sq km, making Brunei 55.43% the size of Lebanon. Meanwhile, the population of Lebanon is ~5.3 million people (4.8 million fewer people live in Brunei).
Compare further: Brunei vs. Lebanon