The annual Forbes 400, which attempts to measure and rank the richest Americans in terms of their net-worth, came out today with a big surprise: Facebook’s Mark Zuckerberg, who has been the world’s youngest billionaire to date, is now worth more than Apple’s Steve Jobs.

Zuckerberg, 26, who owns and controls approximately one-fourth of Facebook, is valued at $6.9 billion this year — a whopping rise of $4.9 billion from last year — putting him in the No. 35 position on the list. Jobs, on the other hand, is $1 billion richer than last year, but seven places behind Zuckerberg (No. 42) at $6.1 billion.