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Historical racial and ethnic demographics of the United States
The racial and ethnic demographics of the United States have changed dramatically throughout its history.
==Sources of data==
During the American colonial period, British colonial officials conducted censuses in some of the Thirteen Colonies that included enumerations by race.〔U.S. Bureau of the Census, Historical Statistics of the United States, Colonial Times to 1970, Bicentennial Edition, Part 2, Series Z 1–19. (Chapter Z: Colonial and Pre-Federal Statistics ). Washington, D.C., 1975.〕 In addition, tax lists and other reports provided additional data and information about the racial demographics of the Thirteen Colonies during this time period.〔
People have been enumerated by race in every United States Census since the first one in 1790. Collection of data on race and ethnicity in the United States Census has changed over time, including addition of new enumeration categories and changes in definitions of those categories.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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