How old where the rolling stones when they started?

The Rolling Stones were formed in London in 1962, when Mick Jagger, Keith Richards, Brian Jones, Bill Wyman, and Charlie Watts came together to form a blues band.

At the time, Jagger was 19 years old, Richards was 18 years old, Jones was 17 years old, Wyman was 21 years old, and Watts was 22 years old.