Greatest Generation: 1901–1927
Silent Generation: 1928–1945
Baby Boomers: 1946–1964
Generation X (Gen X): 1965–1980
Millennials (Gen Y): 1981–1996
Generation Z (Gen Z): 1997–2012
Generation Alpha: 2013–2024
Generation Beta: 2025–2039 (projected)
Generations by Birth Years pic.twitter.com/Gu57vQKQzb
— Learn Something (@LearningFeedX) November 9, 2026
A few notes:
These are commonly used U.S. birth-year ranges, not universal official definitions.
Generation Alpha and Beta boundaries vary by source.
In 2026, Gen Z are roughly 14–29 years old; Millennials are 30–45; Gen X are 46–61; Boomers are 62–80.
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