Not an engineering expert? Not a problem. While 68 of the top 100 billionaires graduated with a tertiary level degree; 32 did not. The average wealth for those who didn't study -- or dropped out -- comes to $24.03 billion on average, with engineering being the only degree that generates a higher wealth of $25.77 billion on average.
Some of the world's most celebrated and affluent business-people chose to drop out of university, rather than continue studying.
The founders of some of the world's biggest companies including Mark Zuckerberg (Facebook), Larry Ellison (Oracle) and Carl Icahn (Icahn Capital Management) all dropped out of university, but now all feature in the Forbes list.
Even Forbes' top billionaire, Bill Gates, who has a current net worth of $78 billion, chose to drop out of the prestigious Harvard University.
With 68 percent having received a degree, Trilby Rajna, Editor at Approved Index and author of the findings, told CNBC that "having a degree does increase your chance of hitting the big time," however, "what connects these billionaires is not what they studied, and that it is possible to achieve anything no matter what your background or passion is."
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