Generation definitions

Generation	Birth years	Coming of age
Silent Generation	1928–1945	Post-WWII era
Baby Boomers	1946–1964	Vietnam era, civil rights
Generation X	1965–1980	Cold War end, early internet
Millennials (Gen Y)	1981–1996	9/11, social media, financial crisis
Generation Z	1997–2012	Smartphones, climate anxiety, COVID
Generation Alpha	2013–present	AI, tablets from birth

Why generation labels are imprecise

Generational labels are sociological tools, not deterministic categories. Birth year is a weak predictor of individual attitudes, behaviors, or values - life experiences, socioeconomic background, geography, and culture are stronger predictors. Two people born the same year on different continents may have almost nothing culturally in common despite sharing a generational label.

Critiques of generational analysis

Oversimplification: labeling billions of people with shared traits ignores massive within-generation diversity.
Inconsistent date ranges: different researchers, institutions, and media outlets use different birth year cutoffs for the same generation name.
Recency bias: characteristics attributed to a generation are often based on young adults; the same cohort may show very different characteristics at older ages.

Non-US naming conventions

The generational names used here are primarily North American conventions popularized by US researchers and media. Many countries have different naming conventions reflecting their own post-war demographic and cultural transitions. The labels have been adopted internationally with varying applicability to non-Western contexts.