Here’s the current core lineup of Green Day and their ages:

  • Billie Joe Armstrong – Born February 17, 1972, so he is 53 years old as of 2026.
  • Mike Dirnt – Born May 4, 1972, so he is 53 years old as of 2026.
  • Tré Cool – Born December 9, 1972, so he is 53 years old as of 2026.

For quick reference:

[5][1] [1][5] [10] [10] [10] [10]
Member Role Date of Birth Age (in 2026)
Billie Joe Armstrong Lead vocals, guitar February 17, 1972 53
Mike Dirnt Bass, backing vocals May 4, 1972 53
Tré Cool Drums, backing vocals December 9, 1972 53
_Information gathered from public forums or data available on the internet and portrayed here._