They may be young and not over 40 yet but their net worths are skyrocketing millions and billions. Get to know 10 of the youngest billionaires in the world and how they made their fortune. (Source: Bankrate)
1. Mark Zuckerberg
Age: 31
Net Worth: $35.7 billion
Zuckerberg lands top 16 on the world's richest people in the world. The 31-year-old billionaire was a Harvard drop-out and started his fortune as the co-founder of the social networking site "Facebook" together with four other co-Harvard students. Now he is the Chief Executive and Chairman of the said company. His personal net worth up-to-date already reached over $44.6 billion in Oct. 2015.
2. Dustin Moskovitz, 31
Age: 31
Net Worth: $9.9 billion
Moskovitz is a co-founder of Facebook and along with Zuckerberg, he made his fortune being a shareholder of the company. Currently, his estimated net worth was due to his 2.34 percent stocks in "Facebook" according to Not Just Rich. Currently Moskovitz is growing his 2008 built company called "Asana."
3. Scott Duncan
Age: 32
Net Worth: Around $5 billion
Duncan is a the son of a billion dollar owner of Enterprise Products Partners, Dan Duncan, wherein he earned his billion dollar fortune.
4. Yang Huiyan
Age: 34
Net Worth: Around $5 billion
The 34-year-old billionaire is the major shareholder of their family's billion dollar company in China. The company where Huiyan inherited is named Country Garden Holdings and she is also regarded as the richest woman in Asia.
5. Eduardo Saverin
Age: 33
Net Worth: Around $5.3 billion
Saverin also made a fortune through "Facebook," having a $53 million shares. But the 33-year-old billionaire was born in a wealthy from the start. In 2010, Saverin co-founded an online site for charity known as Aporta.
6. Elizabeth Holmes
Age: 31
Net Worth: Around $4.5 billion
The 31-year-old billionaire started a blood test company when she was a Sophomore in Stanford and currently is the acting CEO of Theranos.
7. Marie Besnier Beauvalot
Age: 35
Net Worth: Around $2.5 billion
Beauvalot is the heiress of a dairy company giant called Lactalis where she inherited from his late father. Along with her siblings, they continually grow the cheese company.
8. Sean Parker
Age: 35
Net Worth: Around $2.5 billion
Parker as a young child was knowledgeable about entrepreneurship. He started the online file-sharing website called "Napster" along with Shawn Fanning who he met when he was just 14. Parker was also the first investor of network giant "Facebook."
9. Tatiana Casiraghi
Age: 31
Net Worth: $2.5 billion
Casiraghi was the granddaughter of the second richest person in Colombia. The gorgeous billionaire is married to fourth in line of Monegasque throne, Andrea Casiraghi.
10. Julio Mario Santo Domingo III
Age: 30
Net Worth: Around $2.2 billion
Domingo III was the inheritor of a beer giant company called "Bavaria" who was owned by his late grandfather. His sister was Tatiana Casiraghi who is also on the ninth spot.
