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What Gen is 36 Years Old?: The Definitive Answer

As of September 2025, someone who is 36 years old was born in 1989 and is firmly a member of the Millennial generation. This age-based question is common due to the often-conflicting year ranges used to define generations, but for a 36-year-old, the classification is clear. Knowing what gen is 36 years old helps understand the cultural touchstones, economic experiences, and technological influences that have shaped this cohort.