The increase in LGBT identification in recent years largely reflects the higher prevalence of such identities among the youngest U.S. adults compared with the older generations they are replacing in the U.S. adult population.
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Roughly 21% of Generation Z Americans who have reached adulthood — those born between 1997 and 2003 — identify as LGBT. That is nearly double the proportion of millennials who do so, while the gap widens even further when compared with older generations.
Gen Z adults made up 7% of Gallup’s 2017 national sample, but in 2021 accounted for 12% as more from that generation reached age 18 over the past four years. In contrast, the proportion of those born before 1946 has fallen from 11% in 2017 to 8%.
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