Eli5: why are there different generation band lengths?

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From my understanding each generation should be 18 years

Boomer: 1945-1963
Gen x : 1963-1981
Gen y: 1981-1999
Gen a: 1999-2017

However I see on a lot of sites people have the Gen x range to be 20 years and Gen y to be 15

In: Biology

8 Answers

Anonymous 0 Comments

Generations tend to be measured by cultural trends and significant historical moments, more than just by a year count. But even then, having a hard dividing line isn’t always useful. As an example, the JFK assassination is sometimes used as a cutoff point between Boomers and GenX – coinciding with your 1963 date. My mom was born a year and a half before he was assassinated, and her brother was born the day of JFK’s funeral. By some metrics, she’s a Boomer and he’s GenX. But they grew up in the same house, raised by the same parents, with mostly the same cultural experiences and trends shaping them – is it really useful to consider them as different generations?

For millenials, the defining factors tend to be 9/11 (we’re all old enough to remember it, even if the 5-year olds couldn’t really wrap their heads around it), the War on Terror, and the Great Recession. These shaped our childhoods, our studies, and our job market once we were out of school. And we were the generation that grew up alongside the internet, making its way from a modern convenience to an integral part of daily life. There’s not always a clear dividing line between us and the next generation (GenZ), and many experts disagree on where to draw it.

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