"The world's youngest billionaires" Felicia Padilla 5th period

Out of 1,645 people on the Forbes Billionaires list, 31 are under the age of 40. 

 Perenna Kei, a newcomer to the list, is the very youngest billionaire. The 39 youngest people on the 2014 Billionaires list have a combined net worth of $115.7 billion.Thirteen of the world's young billionaires call the U.S. home, while the others come from the rest of the globe.

Here are some of the world's youngest billionaires:

No. 1: Perenna Kei & family
Age: 24
Net Worth: $1.3 billion
 Perenna Kei is the world's youngest billionaire, who owns an 85% stake in Logan Property Holdings,

No. 2: Dustin Moskovitz

Age: 29
Net Worth: $6.8 billion
No longer the world's youngest billionaire, Dustin Moskovitz will turn 30 this year. Mark is Zuckerberg's former roommate. He helped kick start the social network from a Harvard dorm, and was Facebook's third employee.

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No. 5: Drew Houston

Net Worth: $1.2 billion
 Drew Houston Dropbox founder and CEO. He is barely out of his 20s.  Houston cofounded Dropbox, a cloud-based file-sharing service, with Arash Ferdowsi in 2007. 

No. 8: Eduardo Saverin

Age: 31
Net Worth: $4.1 billion
 Eduardo Saverin is Facebook cofounder. He was born in Brazil, but has been living in Singapore since renouncing his United States citizenship in 2012. He rarely makes media appearances 

No. 9: Yang Huiyan
Age: 32
Net Worth: $6.9 billion
China's richest woman Yang Huiyan is vice chairman of real estate developer Country Garden. She was given her father's stake in Country Garden before the company's initial public offering in 2007.