Country size comparison
compared to
Brunei is about 341 times smaller than Mexico.
Mexico is approximately 1,964,375 sq km, while Brunei is approximately 5,765 sq km, making Brunei 0.29% the size of Mexico. Meanwhile, the population of Mexico is ~129.2 million people (128.7 million fewer people live in Brunei).
Compare further: Brunei vs. Mexico