Net worth: £9.2 billion ($14 billion)
Age: 65
The steel tycoon's fortune is actually down from its 2008 peak of £27 billion as falling steel and commodity prices hit the share value of ArcelorMittal. In fact, Mittal's rankings could be worse this year as the oil and commodities prices have yet to recover from tanking over the past 12 months. Meanwhile, like most billionaires in the Sunday Times Rich List, Mittal and his son-in-law, Amit Bhatia, are major shareholders in a football club: west London-based Queens Park Rangers.