You probably know about Mark Zuckerberg the who is the co-founder and CEO of the World’s largest Social Network Facebook and 30-years old. The net worth of Mark Zuckerberg is about $31.6 Billion which means he more billion then his age-years and. Now he joins the list of three Billionaires who have more Billions in their account then their ages. Firstly Bill Gates ‘s wealth is $80.1 Billion at the age of 58 who is the inventor of World’s biggest Software Company ‘Microsoft’ and also Worlds Richest Person. And the 3rd person is Carlos Slim Helú is a Mexican business magnate, investor, and philanthropist. From 2010 to 2013, Slim was ranked as the richest person in the world.