GREEN DAY BIOGRAPHY - AGE, MEMBERS, CAREER, SONGS & FACTS

Green Day is an American punk rock and pop-punk band from Berkeley, California, formed in 1987 by Billie Joe Armstrong and Mike Dirnt. With drummer Tré Cool joining for the Kerplunk era, the trio broke through with the 10x-platinum Dookie (1994), then redefined rock ambition with the Grammy-winning American Idiot (2004), later adapted into a Tony-winning Broadway musical. This Green Day biography covers the band's age, members, career, biggest songs, and key facts — from their Gilman Street beginnings to their 14th studio album Saviors (2024) and a packed 2026.

Early Life & Formation

Billie Joe Armstrong (born February 17, 1972) and Mike Dirnt (born May 4, 1972) met as schoolmates in Rodeo, California, and formed Green Day — originally Sweet Children — in 1987. Cutting their teeth at Berkeley's 924 Gilman Street punk club, they released their debut 1,039/Smoothed Out Slappy Hours (1990) and Kerplunk (1991), the era when drummer Tré Cool (born December 9, 1972) joined the lineup.

They emerged just as the underground broke into the mainstream — the same early-90s wave that carried Nirvana's raw energy to the top of the charts (see the Come As You Are lyrics).

Career Highlights

Green Day's mainstream breakthrough arrived with Dookie (1994), a 10x-platinum smash powered by "Basket Case" and "When I Come Around," landing alongside grunge-era anthems such as the one documented in the Smells Like Teen Spirit lyrics. A decade later, American Idiot (2004) won the Grammy for Best Rock Album on the strength of "Boulevard of Broken Dreams," "Holiday," and "Wake Me Up When September Ends," then became a Tony-winning Broadway musical.

The band kept evolving — 21st Century Breakdown (2009), the ¡Uno! / ¡Dos! / ¡Tré! trilogy (2012), Revolution Radio (2016), Father of All Motherfuckers (2020), and the Grammy-nominated Saviors (2024), their 14th studio album — sharing a Bay Area rock lineage with the heavyweights chronicled in the Metallica biography.

Green Day in 2026

Green Day's 2026 has been stacked. In April, SiriusXM launched "Green Day's Idiot Nation" (channel 314), a dedicated channel that premiered on April 20, 2026. In January, the band headlined iHeartRadio ALTer EGO, and their Saviors Tour wrapped in September 2025 after 106 shows across 88 cities and 33 countries, selling 2.5 million tickets.

Decades in, the band remains an arena staple alongside fellow 90s survivors like Oasis (see the Oasis biography).

Quick Facts

Band: Green Day — American punk rock / pop-punk trio from Berkeley, California

Formed: 1987, by Billie Joe Armstrong and Mike Dirnt

Members: Billie Joe Armstrong (lead vocals, guitar; born Feb 17, 1972), Mike Dirnt (bass; born May 4, 1972), Tré Cool (drums; born Dec 9, 1972)

Genres: Punk rock, pop-punk

Studio Albums: 14, including Dookie (1994), American Idiot (2004), and Saviors (2024)

Records Sold: 75M+

GRAMMYs: 5

Rock Hall: Inducted 2015 (first year of eligibility)

Watch the Official Video

Frequently Asked Questions

Who are the members of Green Day?
Green Day is a trio: Billie Joe Armstrong (lead vocals, guitar), Mike Dirnt (bass), and Tré Cool (drums).

How old is Billie Joe Armstrong?
Billie Joe Armstrong was born on February 17, 1972, making him 54 in 2026.

What is Green Day's biggest album?
Dookie (1994) is their best-selling at 10x platinum, while American Idiot (2004) won the Grammy for Best Rock Album and was adapted into a Broadway musical.

What is Green Day doing in 2026?
SiriusXM launched the band's dedicated channel "Green Day's Idiot Nation" (channel 314) in April 2026, and the band headlined iHeartRadio ALTer EGO in January 2026.