Gallup: “The percentage of U.S. adults who self-identify as lesbian, gay, bisexual, transgender or something other than heterosexual has increased to a new high of 7.1%, which is double the percentage from 2012, when Gallup first measured it. Gallup asks Americans whether they personally identify as straight or heterosexual, lesbian, gay, bisexual, or transgender as part of the demographic information it collects on all U.S. telephone surveys…

• 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.
• The proportion of U.S. adults who consider themselves to be lesbian, gay, bisexual or transgender has grown at a faster pace over the past year than in prior years. This is occurring as more of Gen Z is reaching adulthood. These young adults are coming of age, including coming to terms with their sexuality or gender identity, at a time when Americans increasingly accept gays, lesbians and transgender people, and LGBT individuals enjoy increasing legal protection against discrimination…”