Bill Gates came in second with $119.7 billion, and Warren Buffett came in sixth with $120 billion. Larry Page, whose net worth is $119.2 billion, comes in at number eight. In the list of the ten richest persons in the world, Sergey Brin ($114.3 billion) was ranked ninth, and Steve Ballmer ($14.2 billion) was ranked tenth. This list of the top billionaires, listed by net worth, will help you learn about the richest people in the planet.