Facebook founder Mark Zuckerberg.Age 23
1.5 billion dollars
Slain Former Lebanese premier Rafiq Hariri's younger daughter, HindHind Hariri.Age: 24
Net worth : 1.1 billion dollars.
German prince Albert von Thurn und Taxis.Age : 24 years
Net worth 2.3 billion dollars.
Managing Director of Fortis Group Shivinder Singh (R)Shivinder Singh.Age: 32
Net worth: 2.5 billion dollars
Yang Huiyan, China's richest person.Age: 26 years
Net worth: 7.4 billion dollars.
