Picture: JAMAL SAIDI/Reuters/Landov Hind Hariri
Age: 24
Country: Lebanon
The second-youngest billionaire in the world is also the youngest female billionaire. Hind Hariri, youngest child of slain Lebanese Prime Minister Rafik Hariri, inherited a stake in the family's construction, banking and media holdings. A graduate from the Lebanese American University in Beirut (in 2006), she apparently sticks close by mother Nazek in Paris, where she attracted attention during recent fashion shows.Source: Forbes.com