cohort survey transgender-related survey 2015 U.S. Transgender Survey http://www.ustranssurvey.org/ https://web.archive.org/web/20180811103552/http://www.ustranssurvey.org/ 2015 U.S. Trans Survey The second iteration of the National Transgender Discrimination Survey, including responses from almost 28,000 individuals. At the time, it was the largest survey ever run in regard to the lives and experiences of transgender people. USTS