Nearly one in 10 adults in the United States identifies as L.G.B.T.Q., according to a large analysis from Gallup released Thursday — almost triple the share since Gallup began counting in 2012, and up by two-thirds since 2020.The increases have been driven by young people, and by bisexual women. Nearly one-quarter of adults in Generation Z, defined by Gallup as those 18 to 27, identify as L.G.B.T.Q., according to the analysis, which included 14,000 adults across all of Gallup’s telephone surveys last year. More than half of these L.G.B.T.Q. young adults identify as bisexual. ...Members of Gen Z were most...