6. Eminem: According to a very questionable Rolling Stone survey, the Detroit native stands as the undisputed “King of Hip-Hop.” The publication assembled a list of the top 20 rapper and ranked them by compiling album sales, YouTube views, social media scores, album reviews, awards and concert tours. Eminem whose personal net worth is $120 million has sold over 90 million albums worldwide, But what Eminem does exceptionally well, is launch the careers of other rappers including 50 Cent who has sold millions of albums on his own.