> According to a Williams Institute review conducted in April 2011, approximately 3.5% of American adults identify themselves as lesbian, gay or bisexual, ... However, a significantly higher percentage acknowledge having same-sex attraction without identifying as LGB. This makes it difficult to accurately record the demographics of LGBT people in the U.S.
Beyond that, http://en.wikipedia.org/wiki/Demographics_of_sexual_orientat... and http://en.wikipedia.org/wiki/LGBT_demographics_of_the_United...
> According to a Williams Institute review conducted in April 2011, approximately 3.5% of American adults identify themselves as lesbian, gay or bisexual, ... However, a significantly higher percentage acknowledge having same-sex attraction without identifying as LGB. This makes it difficult to accurately record the demographics of LGBT people in the U.S.