TABLE 1—

Characteristics of Samples in Surveys That Reported Transgender Identity Included in the Analysis: United States, 2006–2016

Survey Name and Year	Sample Size	Self-Identified Transgender	Age Range, Years	Sample Description	Categorized as
Behavioral Risk Factor Surveillance System
2015a	165 299	598	≥18	General-population adults	Gender identity
2014b	154 062	575	≥18	General-population adults	Gender identity
National Adult Tobacco Survey
2014c	75 233	19	≥18	General-population adults	Sexual orientation
2013	60 221	17	≥18	General-population adults	Sexual orientation
2010	118 581	96	≥18	General-population adults	Sexual orientation
National College Health Assessment
2016d	94 376	1685	18–31	Students of colleges and universities	Gender identity
2015	93 034	416	18–31	Students of colleges and universities	Gender identity
2014	79 266	271	18–31	Students of colleges and universities	Gender identity
2013	123 078	299	18–31	Students of colleges and universities	Gender identity
2012	90 666	214	18–31	Students of colleges and universities	Gender identity
2011	105 781	226	18–31	Students of colleges and universities	Gender identity
2010	95 712	204	18–31	Students of colleges and universities	Gender identity
2009	87 101	131	18–31	Students of colleges and universities	Gender identity
2008	78 551	82	18–31	Students of colleges and universities	Sexual orientation
2007	69 965	75	18–31	Students of colleges and universities	Sexual orientation
2006	92 133	82	18–31	Students of colleges and universities	Sexual orientation
National Health Interview Survey: 2013	33 784	3	≥18	General-population adults	Sexual orientation
National Inmate Survey
2012	91 117	230	≥18	Adult inmates in local jails and state and federal prisons	Gender identity
2009	76 459	186	≥18	Adult inmates in local jails and state and federal prisons	Gender identity
2007	63 817	149	≥18	Adult inmates in local jails and state and federal prisons	Gender identity

^a154 endorsed “not male, female, or transgender.”

^b116 endorsed “not male, female, or transgender.”

^c233 with a different sex assigned at birth not included in self-identified transgender number.

^d1243 with a different sex assigned at birth not included in self-identified transgender number.