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Description

SSMC reports whether the head of household and spouse are a same-sex married couple. Beginning in the 2013 ACS/PRCS, same-sex married couples are included in the "married spouse present" category. As well, beginning in 2013, family household and married-couple families include same-sex married couples.

Prior to the 2013 ACS/PRCS, same-sex married couples were recoded by the Census Bureau from married to unmarried partners. The 2012 ACS/PRCS included a data quality flag identifying same-sex married couples that had been recoded (QRELATE = 9 "Same sex spouse changed to unmarried partner").

User Note: Same-sex married couples are only shown as the householder and spouse, and are not included in subfamilies. Respondents with an SSMC value of 1 were logically allocated as a same-sex married-couple, even though they were missing valid responses for SEX or RELATE. See the SSMC and Family Interrelationship page for information on how the IPUMS-USA family interrelationship variables interact with same-sex married couple households.