Reuters
25-year-old Snapchat founder Evan Spiegel is the youngest billionaire in the world.
Some of the wealthiest, most successful entrepreneurs take decades to accumulate their fortunes - others strike gold very early on.
A recent report from Hurun, a Shanghai firm that releases yearly rankings and research about the world's richest people, rounded up the latter group of entrepreneurs: self-made billionaires under age 35.
Read on to see who made the list - and just how wealthy they are, as estimated by Hurun: