04/22/2008 05:12 am ET Updated May 25, 2011

110 Forbes Billionaires Still On The Market

There are 110 single men on Forbes' 2008 list of the world's richest people.

The youngest? Mark Zuckerberg, 23. He founded social networking site Facebook while he was a student at Harvard. With nearly 70 million active users, the site is booming in popularity and its value soaring. Facebook pushed Zuckerberg's net worth to $1.5 billion this year.

Also young and exceptionally wealthy: Prince Albert von Thurn und Taxis. The German has been a billionaire since he was 18 when he inherited his family fortune. Befitting his aristocratic status, the prince lives in his family's castle in Regensburg, Germany.

Read more on Forbes Via ABC News