Country size comparison
compared to
Brunei is about 223 times smaller than Chad.
Chad is approximately 1,284,000 sq km, while Brunei is approximately 5,765 sq km, making Brunei 0.45% the size of Chad. Meanwhile, the population of Chad is ~18.0 million people (17.5 million fewer people live in Brunei).
Compare further: Brunei vs. Chad