If we count people who are in the closet or "discordant," then sure, that boosts our numbers, but to what end? Why do we need to know how many of us there are? Is the implication that if there are more of us, then we are more deserving of rights?
Dr. Gary Gates has reported that 50 percent of people who identify as lesbian, gay or bisexual identify as bisexual. He's also reported that 3.5 percent of the U.S. adult population identifies as LGB. Detractors seem to feel that the latter percentage is too low and the former too high.