As of September 2014, the title of richest man in the world is held by Mexican billionaire Carlos Slim Helú. He reclaimed the title from Bill Gates when shares of his company, América Móvil, rose 1 percent on July 15, 2014, which increased his estimated net worth to $79.6 billion.
Carlos Slim amassed his wealth through stock investments and by establishing his own brokerage and investment firm. By 1966, Carlos Slim had a personal net worth of $40 million and thereafter steadily rose in the list of the world's wealthiest men. Carlos Slim was married to Soumaya Domit until her death in 1999 and has six children.