Also Read: Bill Gates Foundation Invests $140 M to Prevent HIV Disease Forbes revealed the real time tracking of personal fortunes showed Jeff with net worth of $90.5 billion which was more than $90 billion of Bill Gates. For the past five years, Bill gates has retained its position as the world’s richest person. He remained of number 18th for the past 22 years. Magnate Carlos Slim overtook Bill Gates during the period of 2010 to 2013. Facebook owner, Mark Zuckerberg has an estimated worth of $72.9 billion.