How old are the good charlotte band members?

The ages of the Good Charlotte band members as of 2023 are:

1. Joel Madden: 44 years old (born on March 11, 1979)

2. Benji Madden: 44 years old (born on March 11, 1979)

3. Billy Martin: 41 years old (born on September 9, 1982)

4. Paul Thomas: 44 years old (born on February 4, 1979)

5. Dean Butterworth (former member): Age information unavailable