1: Alexandra Andresen – 1.4 Billion Dollars
Age: 22 years
Total assets: $1.4B
Born in 1996, Alexandra Andresen is the world’s youngest billionaire. She is a Norwegian heiress and the daughter of Johan H. Andresen Jr., who owns Ferd, a Norwegian investment company that runs hedge funds, actively invests in the Nordic Stock Exchange and has private equity investments. In 2007, Andresen and her sister, Katharina, were each transferred 42.2% of the ownership stakes and subsequently inherited the money.