Generation Calculator

Enter your date of birth to find out whether you are Gen Z, Gen Alpha, a Millennial, Gen X or a Baby Boomer — with the exact birth-year range for each cohort.

Nothing you enter is sent anywhere — this runs entirely in your browser.

Your generation

See all generations and their birth-year ranges
GenerationBirth yearsDefined by
Generation Beta2025–2039McCrindle Research
Generation Alpha2013–2024McCrindle Research
Generation Z1997–2012Pew Research Center
Millennials (Generation Y)1981–1996Pew Research Center
Generation X1965–1980Pew Research Center
Baby Boomers1946–1964Pew Research Center
The Silent Generation1928–1945Pew Research Center

How this generation calculator works

Enter your date of birth and the calculator matches your birth year against the standard generational cohorts. It shows which generation you belong to, the full birth-year range for that cohort, how far into the cohort you sit, and which research organisation defined the boundary.

The generations and their birth years

These are the ranges the calculator uses:

  • The Silent Generation — born 1928 to 1945
  • Baby Boomers — born 1946 to 1964
  • Generation X — born 1965 to 1980
  • Millennials (Generation Y) — born 1981 to 1996
  • Generation Z — born 1997 to 2012
  • Generation Alpha — born 2013 to 2024
  • Generation Beta — born 2025 onward

The first five ranges come from the Pew Research Center, which is the most widely cited source for generational boundaries in both journalism and academic work. Pew formally set the Gen Z start year at 1997 in 2019. Generation Alpha and Generation Beta are not Pew definitions — Pew has not yet named the cohorts after Gen Z. Those ranges come from McCrindle Research, the Australian firm that coined both names.

Why the boundaries are where they are

Generational cut-offs are not arbitrary, but they are also not official. Researchers draw them around formative shared experiences. Pew's reasoning for starting Gen Z at 1997 was that anyone born from that year onward was at most four years old during the September 11 attacks — too young to have any real memory of a world before them — and grew up with broadband internet, smartphones and social media as ordinary background facts rather than new arrivals.

The same logic sits behind the Millennial start year of 1981: that cohort was old enough to remember the pre-internet world and had to consciously adapt to it, which is a genuinely different experience from never having known anything else.

Being "on the cusp"

If your birth year is the first or last year of a cohort, the calculator will flag that you are on the cusp. This matters more than it might sound. Because no official body defines generations, different researchers place the lines a year or two apart — some start Gen Z at 1995, others at 1996 or 1997. Someone born in 1996 will be called a Millennial by Pew and Gen Z by other sources, and both are defensible.

People born on a cusp often report not identifying strongly with either cohort's stereotype, which is exactly what you would expect when the boundary is a research convention rather than a fact about the person.

What generational labels are actually useful for

Cohort analysis is a legitimate research method: it lets you separate the effect of age from the effect of the era someone grew up in. If 25-year-olds today behave differently from 25-year-olds in 1995, that difference is about the era, not about being 25.

Where the labels stop being useful is in predicting anything about an individual. A cohort spanning sixteen birth years contains enormous variation in income, country, education and circumstance. The generational label tells you roughly when someone was born and what large-scale events they lived through at what age — not what they are like.

Frequently asked questions

What years are Gen Z?

Pew Research Center defines Generation Z as people born between 1997 and 2012. That makes the oldest Gen Z adults 29 in 2026, and the youngest 14. Pew set this boundary in 2019, and it is the definition most widely used in news reporting and academic research.

Am I Gen Z or a Millennial?

The dividing line is 1996/1997. If you were born in 1996 or earlier you are a Millennial; born in 1997 or later, you are Gen Z. Pew drew the line here because people born from 1997 onward were too young to have any meaningful memory of the September 11 attacks, and grew up with broadband and smartphones as a given.

What generation comes after Gen Z?

Generation Alpha, generally defined as those born from 2013 to 2024. The term was coined by McCrindle Research, not Pew — Pew has not yet formally named the post-Gen-Z cohort. Generation Beta, starting in 2025, is the next named cohort under the same naming scheme.

Why do different websites give different Gen Z years?

Because there is no official authority that defines generations. Pew Research Center (1997-2012) is the most cited, but other researchers draw the lines a year or two apart — some start Gen Z in 1995 or 1996. If you were born in the first or last year of a range, you are on the cusp and could reasonably be placed either side.

Is this generation calculator accurate?

It applies the Pew Research Center cohort boundaries exactly, and flags when your birth year sits on a cusp between two cohorts. Since generational boundaries are a research convention rather than an official standard, the tool also shows which organisation defined each range so you can judge for yourself.