Appendix B: Explanation of Ancestry Analysis
We use information on respondent ancestry reported in the 1980-2000 decennial censuses and the 2010-2012 American Community Survey (ACS) to estimate the proportion of the population with two significantly different racial ancestries. The ancestry question is an open-ended question that allows respondents to report up to two ancestries. The three-year 2010-2012 ACS was used, rather […]