Paul McCartney has become a billionaire. The former Beatle's great fortune.

Paul McCartney has joined the ranks of billionaires at 84, with his wealth primarily stemming from his publishing company MPL Communications and music rights investments. He ranks third among the world's richest musicians, following Jay-Z and Taylor Swift. McCartney's earnings include royalties from Beatles songs and other musical works, generating at least $10 million annually. Despite his age, he continues to create music and tour, recently releasing his twentieth solo album, which topped charts in several countries. McCartney is best known as a member of The Beatles and has had a successful solo career and with Wings.