BBC:

Microsoft founder Bill Gates has regained the top spot as the world's richest person, according to Forbes magazine's annual ranking of global billionaires.

Mr Gates' total net worth was estimated at $76bn (£45.5bn) this year, up from $67bn in 2013.

Forbes reports that there are more billionaires than ever before (1,645!). At this rate, one day we may all be billionaires.