The Thunder Years: The Shocking Ages Of AC/DC Members In Their 2025 World Tour Lineup

The enduring power of AC/DC's rock and roll machine is undeniable, but what’s truly remarkable is the age and stamina of the men behind the thunderous riffs. As of December 13, 2025, the core members of the band are well into their late 60s and 70s, proving that age is merely a number when you're on the "Highway to Hell." The band's current touring lineup for the massive 'Power Up' World Tour showcases a fascinating mix of rock veterans and younger, seasoned professionals, highlighting a legacy that spans over five decades.

This article provides an up-to-the-minute look at the ages, birth dates, and roles of the musicians currently carrying the torch for AC/DC, from the iconic schoolboy-uniformed guitarist to the newest touring additions who are helping to keep the show on the road. The combined age of the main lineup alone is a testament to the band’s incredible longevity and commitment to hard rock.

The AC/DC 2025 Lineup: Complete Biography and Current Ages

The lineup for the ongoing 2024-2025 'Power Up' World Tour features core members alongside a pair of world-class touring musicians who have stepped in for the semi-retired Cliff Williams and Phil Rudd. This section details the profile of every member currently associated with the band's live and studio activities, with ages calculated as of December 13, 2025.

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• Name: Brian Johnson (Lead Vocals)
• Birth Date: October 5, 1947
• Current Age (Dec 2025): 78 years old
• Joined AC/DC: 1980, replacing the late Bon Scott.
• Status: Core member, currently touring.

• Name: Angus Young (Lead Guitar)
• Birth Date: March 31, 1955
• Current Age (Dec 2025): 70 years old
• Joined AC/DC: 1973 (Co-founder).
• Status: The only continuous member since the band's formation, currently touring.

• Name: Stevie Young (Rhythm Guitar)
• Birth Date: December 11, 1956
• Current Age (Dec 2025): 69 years old
• Joined AC/DC: 2014, replacing his uncle, Malcolm Young. He previously filled in during a 1988 tour.
• Status: Core member, currently touring.

• Name: Cliff Williams (Bass Guitar)
• Birth Date: December 14, 1949
• Current Age (Dec 2025): 75 years old
• Joined AC/DC: 1977.
• Status: Retired from touring in 2016, returned for the Power Up album (2020) and the Power Trip festival (2023), but is not participating in the 2024-2025 tour.

• Name: Phil Rudd (Drums)
• Birth Date: May 19, 1954
• Current Age (Dec 2025): 71 years old
• Joined AC/DC: 1975 (first tenure).
• Status: Recorded the Power Up album but is not touring with the band in 2024-2025.

The Touring Contingent: Keeping the Engine Running

To maintain the rigorous schedule of a major world tour, AC/DC has enlisted two highly respected musicians to fill the bass and drum slots. Their inclusion ensures the band can deliver their signature high-energy performance night after night.

• Name: Matt Laug (Touring Drums)
• Birth Date: March 17, 1968
• Current Age (Dec 2025): 57 years old
• Role: Touring drummer for the 'Power Up' Tour, replacing Phil Rudd. Laug is a prolific session musician known for his work with Alice Cooper and Alanis Morissette.

• Name: Chris Chaney (Touring Bass Guitar)
• Birth Date: June 14, 1970
• Current Age (Dec 2025): 55 years old
• Role: Touring bassist for the 'Power Up' Tour, replacing Cliff Williams. Chaney is best known as the former bassist for Jane's Addiction and a member of Taylor Hawkins and the Coattail Riders.

The Age Gap: A Half-Century of Rock and Roll

The current AC/DC touring lineup features an astonishing age gap that underscores the band's multi-generational appeal. The oldest member, vocalist Brian Johnson, is 78 years old as of late 2025. The youngest touring member, bassist Chris Chaney, is 55 years old. This 23-year difference is significant, but it's the core members' ages that truly define the band's status as rock legends.

At 70, lead guitarist Angus Young continues to defy his age with his iconic, frenetic stage performance, complete with the schoolboy uniform and signature duckwalk. His ability to maintain such a physically demanding show is a key factor in the band's continued success and a source of inspiration for fans and musicians alike. The average age of the five core members (Johnson, Young, Young, Williams, Rudd) is approximately 73 years old, a number that speaks volumes about their dedication to the craft.

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The inclusion of younger, yet highly experienced, touring musicians like Matt Laug and Chris Chaney is a practical decision that ensures the band can maintain the energy levels required for stadium-sized rock concerts. These musicians are not only masters of their instruments but also bring a fresh vitality to the classic AC/DC sound, allowing the core members to focus on their primary roles while preserving the band's high-octane reputation. Chaney, in particular, has a background in alternative rock and session work, adding a versatile edge to the rhythm section.

From Teenagers to Titans: AC/DC's Ages at Formation

The band’s longevity is best appreciated by looking back at their humble beginnings. When AC/DC was formed in Sydney, Australia, in November 1973, the founding members were barely out of their teens. This contrast highlights the incredible journey they have undertaken.

• Angus Young (Born March 31, 1955) was just 18 years old when he co-founded the band with his older brother.
• Malcolm Young (Born January 6, 1953) was 20 years old, taking on the role of rhythm guitarist and primary driving force.
• Original Vocalist Dave Evans (Born July 20, 1953) was also 20 years old.

The band’s most famous era began with the introduction of vocalist Bon Scott (Born July 9, 1946), who joined in late 1974. Scott was 28 years old when he took over the mic, already a seasoned rock veteran compared to the Young brothers. Scott's tragic death in 1980 led to the recruitment of Brian Johnson, who was 32 years old at the time he recorded the monumental Back in Black album, a record that cemented AC/DC's place in rock history.

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The band’s ability to navigate decades of changing musical trends, personnel shifts, and the passage of time is a testament to the timeless nature of their simple, powerful rock and roll formula. With members ranging from their mid-50s to late 70s, the 2025 'Power Up' Tour is a triumphant declaration that the school of rock remains firmly in session.