How old were the members of Tokio Hotel in 2009?

All ages are current as of 2012

Bill Kaulitz - 23 years old (September 1, 1989)

Tom Kaulitz - 23 (September 1, 1989)

Georg Listing - 25 (March 31, 1987)

Gustav Schäfer - 24 (September 8, 1988)