All of the rappers on this list are famous worldwide for the records they have produced and released. Between them they have countless nominations and award wins, however for all their success these rappers have made a significant proportion of their money through business ventures away from music. It isn’t difficult to imagine the world’s first billionaire rapper before the end of the decade, and it will likely be from this list.

Here’s Forbes Top Five Richest Rappers of 2015:

5. Bryan “Birdman” Williams – Net Worth: $150 Million

In 2014 Birdman was the fourth richest with $160 million, this year he is ranked 5th. Birdman rose to fame as part of the rap duo Big Tymers and also co-founded Cash Money Records with his brother; the record label is estimated to be worth around $300 million. The label has expanded in recent years with an expansion into clothing and refreshments. Outside of music Williams had a short flirtation with the oil industry through his company, Bronald Oil and Gas.