World's most eligible billionaire bachelors: Forbes

Of 1,645 of the world's richest in Forbes' billionaires list, the magazine says just 3 per cent have never tied the knot. With a net worth of $1.2 billion, Dropbox co-founder and CEO Drew Houston tops a March 2014 list of the world's top ten most eligible bachelors by Forbes.

Albert

A race car driving billionaire royal who lives in a castle, Albert von Thurn und Taxis is the 12th prince in his lineage. Albert, who tours with a German auto-racing league, has an estimated net worth of $1.6 billion.

Eduardo Saverin

Facebook co-founder Eduardo Saverin is placed at the third position in the list. The Brazilian-born Harvard graduate has a net worth of $4.1 billion.

Robert Pera

Robert Pera founded Ubiquiti Networks, and has served as its chief executive since October 2003, as per the American technology company's website. His net worth is estimated at $2.7 billion.

Yoshikazu Tanaka

With a net worth of $1.6 billion, Japanese entrepreneur Yoshikazu Tanaka is ranked 5th in the list. He founded internet business company GREE Inc in December 2004 and serves as its chief executive.

Jack Dorsey

Jack Dorsey is co-founder and chairman of Twitter, and also co-founder and chief executive of mobile payments company Square. His net worth is estimated at $2.2 billion.