5. Evan Spiegel
Age: 28
Net Worth: $2.1 Billion
The fifth-youngest billionaire in the world is Evan Spiegel.
Evan is the co-founder, along with Bobby Murphy, and CEO of Snap Chat Inc, a social media company that, approximately, 203 million people use every day to send disappearing photos and videos.
At just 28 years old, Evan is worth $2.1 billion and is a graduated from Standford University with a B.S. in Product Design.
Spiegel has been very generous with his money, already donating $65 million of Snap stock, whilst also pledging to donate a further 13 million shares, with Bobby Murhpy, to the Snap foundation.