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Making It Count: Improving Estimates of the Size of Transgender and Gender Nonconforming Populations
1Center of Excellence for Transgender Health, Department of Family and Community Medicine, University of California-San Francisco , San Francisco, California.
Abstract:
An accurate estimate of the number of transgender and gender nonconforming people is essential to inform policy and funding priorities and decisions. Historical reports of population sizes of 1 in 4000 to 1 in 50,000 have been based on clinical populations and likely underestimate the size of the transgender population. More recent population-based studies have found a 10- to 100-fold increase in population size. Studies that estimate population size should be population based, employ the two-step method to allow for collection of both gender identity and sex assigned at birth, and include measures to capture the range of transgender people with nonbinary gender identities.
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