According to Forbes there are 1,826 billionaires in the world, with a combined net worth of around $7.05 trillion, up $6.4 trillion from last year.
Here’s our list of the 18 youngest billionaires on the planet. All are impressive, influential, and… sickeningly young!
1. Bobby Murphy
Bobby Murphy (pictured on the right), 27, co-founded the mobile app SnapChat, which recently received new funding at an eye-popping valuation of $16 billion (£11.1bn). Forbes estimates his stake is at least 15% and his net worth at $1.5 billion (£1bn) – making him the second youngest billionaire in the world.