The Backstreet Boys consist of five members: AJ McLean, Howie Dorough, Nick Carter, Kevin Richardson, and Brian Littrell. As of 2023, their ages are as follows:
- AJ McLean: 45 years old (born January 9, 1978)
- Howie Dorough: 49 years old (born August 22, 1973)
- Nick Carter: 43 years old (born January 28, 1980)
- Kevin Richardson: 52 years old (born October 3, 1971)
- Brian Littrell: 48 years old (born February 20, 1975)
