IPUMS-USA: vars by group: fam

Harmonized variables
Source variables

Harmonized variables are consistently coded across census years. Source variables are the unrecoded variables unique to each sample, in string format. Source variables are only available for U.S. samples from 1940 to the present.

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An "X" indicates the variable is available in that dataset.

Add to cart	Variable	Variable Label	Type	Codes	usa 2016	usa 2015	usa 2014	usa 2013	usa 2012	usa 2011	usa 2010	usa 2009	usa 2008	usa 2007	usa 2006	usa 2005	usa 2004	usa 2003	usa 2002	usa 2001	usa 2000	usa 1990	usa 1980	usa 1970	usa 1970	usa 1960	usa 1950	usa 1940	usa 1930	Variable	usa 1920	usa 1910	usa 1900	usa 1880	usa 1870	usa 1860	usa 1850
Family Interrelationship Variables -- PERSON [top]
Add to cart	Variable	Variable Label	Type	Codes	2016 acs	2015 acs	2014 acs	2013 acs	2012 acs	2011 acs	2010 acs	2009 acs	2008 acs	2007 acs	2006 acs	2005 acs	2004 acs	2003 acs	2002 acs	2001 acs	2000 5pct	1990 5pct	1980 5pct	1970 met2	1970 met1	1960 5pct	1950 1pct	1940 1pct	1930 5pct	Variable	1920 1pct	1910 1pct	1900 5pct	1880 10pct	1870 1pct	1860 1pct	1850 1%+
	FAMUNIT	Family unit membership	P	codes	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	FAMUNIT	X	X	X	X	X	X	X
	FAMSIZE	Number of own family members in household	P	codes	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	FAMSIZE	X	X	X	X	X	X	X
	SUBFAM	Subfamily membership	P	codes	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	SUBFAM	X	X	X	X	.	.	.
	SFTYPE	Subfamily type	P	codes	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	SFTYPE	X	X	X	X	.	.	.
	SFRELATE	Relationship within subfamily	P	codes	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	SFRELATE	X	X	X	X	.	.	.
	CBSUBFAM	Subfamily number (original Census Bureau classification)	P	codes	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	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".	.	.	.	CBSUBFAM	.	.	.	.	.	.	.
	CBSFTYPE	Subfamily type (original Census Bureau classification)	P	codes	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	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".	.	.	.	CBSFTYPE	.	.	.	.	.	.	.
	CBSFRELATE	Subfamily relationship (original Census Bureau classification)	P	codes	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	.	.	.	CBSFRELATE	.	.	.	.	.	.	.
	MOMLOC	Mother's location in the household	P	codes	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	MOMLOC	X	X	X	X	X	X	X
	STEPMOM	Probable step/adopted mother	P	codes	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	X	X	X	X	STEPMOM	X	X	X	X	X	X	X
	MOMRULE	Rule for linking mother (new)	P	codes	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	.	.	.	.	MOMRULE	.	.	.	.	.	.	.
	MOMRULE_HIST	Rule for linking mother	P	codes	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	X	X	X	X	MOMRULE_HIST	X	X	X	X	X	X	X
	POPLOC	Father's location in the household	P	codes	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	POPLOC	X	X	X	X	X	X	X
	STEPPOP	Probable step/adopted father	P	codes	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	X	X	X	X	STEPPOP	X	X	X	X	X	X	X
	POPRULE	Rule for linking father (new)	P	codes	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	.	.	.	.	POPRULE	.	.	.	.	.	.	.
	POPRULE_HIST	Rule for linking father	P	codes	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	X	X	X	X	POPRULE_HIST	X	X	X	X	X	X	X
	SPLOC	Spouse's location in household	P	codes	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	SPLOC	X	X	X	X	X	X	X
	SPRULE	Rule for linking spouse or partner (new)	P	codes	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	.	.	.	.	SPRULE	.	.	.	.	.	.	.
	SPRULE_HIST	Rule for linking spouse	P	codes	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	X	X	X	X	SPRULE_HIST	X	X	X	X	X	X	X
	MOMLOC2	Second mother's location in the household	P	codes	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	.	.	.	.	MOMLOC2	.	.	.	.	.	.	.
Add to cart	Variable	Variable Label	Type	Codes	usa 2016	usa 2015	usa 2014	usa 2013	usa 2012	usa 2011	usa 2010	usa 2009	usa 2008	usa 2007	usa 2006	usa 2005	usa 2004	usa 2003	usa 2002	usa 2001	usa 2000	usa 1990	usa 1980	usa 1970	usa 1970	usa 1960	usa 1950	usa 1940	usa 1930	Variable	usa 1920	usa 1910	usa 1900	usa 1880	usa 1870	usa 1860	usa 1850
Add to cart	Variable	Variable Label	Type	Codes	2016 acs	2015 acs	2014 acs	2013 acs	2012 acs	2011 acs	2010 acs	2009 acs	2008 acs	2007 acs	2006 acs	2005 acs	2004 acs	2003 acs	2002 acs	2001 acs	2000 5pct	1990 5pct	1980 5pct	1970 met2	1970 met1	1960 5pct	1950 1pct	1940 1pct	1930 5pct	Variable	1920 1pct	1910 1pct	1900 5pct	1880 10pct	1870 1pct	1860 1pct	1850 1%+
	MOM2RULE	Rule for linking second mother (new)	P	codes	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	.	.	.	.	MOM2RULE	.	.	.	.	.	.	.
	POPLOC2	Second father's location in the household	P	codes	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	.	.	.	.	POPLOC2	.	.	.	.	.	.	.
	POP2RULE	Rule for linking second father (new)	P	codes	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	.	.	.	.	POP2RULE	.	.	.	.	.	.	.
	NCHILD	Number of own children in the household	P	codes	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	NCHILD	X	X	X	X	X	X	X
	NCHLT5	Number of own children under age 5 in household	P	codes	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	NCHLT5	X	X	X	X	X	X	X
	NSIBS	Number of own siblings in household	P	codes	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	NSIBS	X	X	X	X	X	X	X
	ELDCH	Age of eldest own child in household	P	codes	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	ELDCH	X	X	X	X	X	X	X
	YNGCH	Age of youngest own child in household	P	codes	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	X	YNGCH	X	X	X	X	X	X	X

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