IPUMS USA: vars by group: historical

Linking Tools - MLP Variables -- PERSON [top]
Add to cart	Variable	Variable Label	Type	Codes	usa 2023	usa 2022	usa 2021	usa 2016	usa 2011	usa 2006	usa 2000	usa 1990	usa 1980	usa 1970	usa 1970	usa 1960	usa 1950	usa 1940	usa 1930	usa 1920	usa 1910	usa 1900	usa 1880	usa 1870	usa 1860	usa 1850
Add to cart	Variable	Variable Label	Type	Codes	2023 acs	2022 acs	2021 acs	2016 acs	2011 acs	2006 acs	2000 1pct	1990 1pct	1980 1pct	1970 met2	1970 met1	1960 1pct	1950 1pct	1940 1pct	1930 1pct	1920 1pct	1910 1pct	1900 1pct	1880 1pct	1870 1pct	1860 1pct	1850 1%+
	HIK	Historical identification key	P	codes	.	.	.	.	.	.	.	.	.	.	.	.	.	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".
	LINK1850	Historical identification key flag for 1850	P	codes	.	.	.	.	.	.	.	.	.	.	.	.	.	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".
	LINK1860	Historical identification key flag for 1860	P	codes	.	.	.	.	.	.	.	.	.	.	.	.	.	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".
	LINK1870	Historical identification key flag for 1870	P	codes	.	.	.	.	.	.	.	.	.	.	.	.	.	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".
	LINK1880	Historical identification key flag for 1880	P	codes	.	.	.	.	.	.	.	.	.	.	.	.	.	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".
	LINK1900	Historical identification key flag for 1900	P	codes	.	.	.	.	.	.	.	.	.	.	.	.	.	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".
	LINK1910	Historical identification key flag for 1910	P	codes	.	.	.	.	.	.	.	.	.	.	.	.	.	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".
	LINK1920	Historical identification key flag for 1920	P	codes	.	.	.	.	.	.	.	.	.	.	.	.	.	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".
	LINK1930	Historical identification key flag for 1930	P	codes	.	.	.	.	.	.	.	.	.	.	.	.	.	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".
	LINK1940	Historical identification key flag for 1940	P	codes	.	.	.	.	.	.	.	.	.	.	.	.	.	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".
	VERSIONHIK	Release version for HIK	P	codes	.	.	.	.	.	.	.	.	.	.	.	.	.	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".
	LNKLIFEM	LIFE-M linking variable	P	codes	.	.	.	.	.	.	.	.	.	.	.	.	.	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	.	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	Variable is not available in the selected sample, but is available in another sample in this year. Click on the variable name and view "availability".	.	.	.