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http://www.census.gov/popclock/
In the past two decades, the term “transgender” has been used to define this population. As part of Diane Sawyer ’s exclusive interview with Bruce Jenner, a few experts offered to help answer questions often asked about the transgender community. 1.
http://abcnews.go.com/Health/questions-answered-transgender-people/story?id=30570113
There are also nearly 700,000 transgender individuals in the US. An estimated 19 million Americans (8.2%) report that they have engaged in same-sex sexual behavior and nearly 25.6 million Americans (11%) acknowledge at least some same-sex sexual attraction. Click here for the full report.
http://williamsinstitute.law.ucla.edu/research/census-lgbt-demographics-studies/how-many-people-are-lesbian-gay-bisexual-and-transgender/
Laumann et al. analyzed the National Health and Social Life Survey of 1992 which had surveyed 3,432 men and women in the United States between the ages of 18 and 59 and reported that the incidence rate of homosexual desire was 7.7% for men and 7.5% for women.
https://en.wikipedia.org/wiki/LGBT_demographics_of_the_United_States
There are various reasons some transgender people do not have surgery. For many, the cost is prohibitive. For others, having surgery is not the most important way for them to express their gender.
http://abcnews.go.com/Health/questions-answered-transgender-people/story?id=30570113
Drawing on information from four recent national and two state-level population-based surveys, the analyses suggest that there are more than 8 million adults in the US who are lesbian, gay, or bisexual, comprising 3.5% of the adult population.
http://williamsinstitute.law.ucla.edu/research/census-lgbt-demographics-studies/how-many-people-are-lesbian-gay-bisexual-and-transgender/
An earlier report published in April 2011 by the Williams Institute estimated that 3.8 percent of Americans identified as gay/lesbian, bisexual, or transgender: 1.7 percent as lesbian or gay, 1.8 percent as bisexual, and 0.3 percent as transgender.
https://en.wikipedia.org/wiki/LGBT_demographics_of_the_United_States
Homosexuality/Heterosexuality: Concepts of Sexual Orientation published findings of 13.95% of males and 4.25% of females having had either extensive or more than incidental homosexual experience. An extensive study on sexuality in general was conducted in the United States. A significant portion of the study was geared towards homosexuality. The results found that 8.6% of women and 10.1% of men had at one point in their life experienced some form of homosexuality.
https://en.wikipedia.org/wiki/LGBT_demographics_of_the_United_States
In the first large-scale government survey measuring Americans’ sexual orientation, the NHIS reported in July 2014 that 1.6 percent of Americans identify as gay or lesbian, and 0.7 percent considered themselves bisexual.
https://en.wikipedia.org/wiki/LGBT_demographics_of_the_United_States
While it’s impossible to know exactly how many transgender people live in the U.S., the most commonly cited estimate is 700,000—more than the population of Washington, D.C. Most experts on the transgender community believe that the number is probably higher.
http://abcnews.go.com/Health/questions-answered-transgender-people/story?id=30570113
what is the population of transgenders in the united states
The population of transgenders is 700,000 in the United States. The population of transgenders in the United States is 700,000.  The population of transgenders in the United States is 700,000.