The 44-year-old artiste, who returned to his Puff Daddy roots this year, made major money on his new cable network Revolt TV, and also saw income from his music projects and side endeavours including his Ciroc label vodka and Sean John clothing line, reported Us magazine.
The 'Big Homie' rapper's massive wealth put him at the top of his field, ahead of other big names.
Aftermath Entertainment leader Dr Dre took the number two spot at USD 550 million. Third on the list was Beyonce Knowles and Jay Z, who have an estimate of USD 520 million from a variety of revenue streams.
Rounding out the top five were Bryan Williams and 50 Cent Jackson at the fourth and fifth spots respectively.