Estimated proportion of heterosexual persons in the United States, by sex, race/ethnicity, and age group--meta-analysis of 3 national surveys^*.

*Surveys used in the meta-analysis: General Social Survey (2010); NHANES = National Health and Nutrition Examination Survey (2009–2010); NSFG = National Survey of Family Growth (2006–2010). See Table 1 for description of each survey. † Relative Standard Error (RSE) = 30–49%. CI = confidence interval.