1. Mark Zuckerberg
1. Mark Zuckerberg
Net worth: 4 billion dollars
How: Internet
Age: 25
Citizenship: US
The Facebook-founder launched the social networking site from his Harvard bedroom in 2004.
2. John Arnold
2. John Arnold
Net worth: 4 billion dollars
How: Energy trading
Age: 36
Citizenship: US
Hired by Enron and founded hedge fund Centaurus Energy in 2002 after Enron collapsed.
3. Yang Huiyan
3. Yang Huiyan
Net worth: 3.4 billion dollars
How: Property
Age: 28
Citizenship: China
Her fortune is tied up in her holding in Guangdong developer Country Garden, run by her father Yeung Kwok Keung.
4. Albert von Thurn und Taxis
4. Albert von Thurn und Taxis
Net worth: 2.2 billion dollars
How: Inheritance
Age: 26
Citizenship: Germany
Inherited fortune on his 18th birthday and lives in family castle, Schloss Emmeram.
5. Fahd Hariri
5. Fahd Hariri
Net worth: 1.4 billion dollars
How: Construction, investments
Age: 29
Citizenship: Lebanon
Youngest son of assassinated Lebanese prime minister Rafiq Hariri inherited stake in his father’s construction, telecom and property empire.
6. Aymin Hariri
6. Aymin Hariri
Net worth: 1.4 billion dollars
How: Construction, investments
Age: 31
Citizenship: Saudi Arabia
The Hariri brothers received a large inheritance from their father, Rafiq Hariri, who rose from a humble start as a construction worker to become prime minister of Lebanon.
7. Yoshikazu Tanaka
7. Yoshikazu Tanaka
Net worth: 1.4 billion dollars
How: Internet
Age: 33
Citizenship: Japan
Like Zuckerberg, Tanaka also made his fortune from a social networking site, Gree.
8. Kostyantin Zhevago
8. Kostyantin Zhevago
Net worth: 1.2 billion dollars
How: Banking, mining
Age: 36
Citizenship: Ukraine
Has majority stake in iron ore producer Ferrexpo and Finance & Credit Bank.
9. Lee Ziaohui
9. Lee Ziaohui
Net worth: 1 billion dollars
How: Manufacturing
Age: 28
Citizenship: China
Chairman of one of China’s biggest private steel manufacturers Shanxi Haixin Iron & Steel Group, since father was shot in 2003.
10. Shahid Balwa
10. Shahid Balwa
Net worth: 1 billion dollars
How: Property
Age: 36
Citizenship: India
Partner in DB Realty whose projects include Turf Estate, a luxury high-rise, and the 108-storey Park Hyatt Hotel in Mumbai.
sumber: http://kangboed.wordpress.com/2010/03/18/top-10-milyarder-termuda-di-dunia-versi-majalah-forbes-hot-news-pict/