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American Community Survey (ACS) 2021 Subject Definitions


These definitions apply to the data collected in both the United States and Puerto
Rico. The text specifically notes any differences. References about comparability to the
previous ACS years refer only to the ACS in the United States. Beginning in 2006, the
population in group quarters was included in the data tabulations.


Source: U.S. Census Bureau (2021). American Community Survey and Puerto Rico Community Survey 2021 Subject Definitions.