Carlos Slim, a 72 year old Mexican business magnate is still the richest man in the world, with a net worth of 68.4 billion, reports Bloomberg. He was also the richest man in the world in 2010 and 2011 according to Forbes. The two other well known billionaires, Bill Gates and Warren Buffet come behind him, with net worths of 62.1 billion and 44.3 billion respectively. From Sunday the 4th of March Bloomberg announced that they will be publishing a daily list of the top 20 richest people in the world. Forbes used to be the main reliable source that provided an annual list of billionaires. It is unknown how the inception of Bloomberg’s daily list will affect Forbes’s usage.