pbr Jay-Z has come in as the world's richest rapper, earning £40 million last year.br ppbr The hip hop superstar was ranked top by Forbes.com. It is thought much of his money he earnt from his 4040 nightclub chain.br ppbr Diddy came second, but earning just £19 million he is not much competition for the Run This Town rapper.br ppbr Akon came third making £13 million despite spending time in jail.br ppbr Eminem may top the record selling chart but he only came in at number 14 earning a relatively low £5 million.