How old was Michael Jackson when his first solo album "Got to Be There" was released?

Explanation

"Got to Be There" is the solo debut album by Michael Jackson. It was released by Motown Records on January 24, 1972. It includes the song of the same name, which was released in the October 7, 1971 as Jackson's debut solo single. Other tracks included on this album is: "Ain't No Sunshine", "I Wanna Be Where You Are", "Got to Be There", "Rockin' Robin", "Love Is Here and Now You're Gone" and "You've Got a Friend".