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State of residence 1 year ago

Codes and Frequencies

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MIGSTA1 reports the U.S. state of previous residence for respondents who were living in a different house a year ago. Interviewers asked whether respondents were living in the same house or apartment on March 1 of the previous year. Movers (those who answered, "No") then supplied information about the city, county, and state or foreign country where they lived a year ago.

The MIGRATE1 variable identifies nonmovers and classifies movers according to whether their change of residence crossed county lines, state lines, or international boundaries. COUNTRY identifies the country of previous residence for movers who were living abroad a year ago.


This variable is completely comparable across years.

Comparability with IPUMS-USA

The IPUMS-USA variable MIGPLAC1 is the closest equivalent to the IPUMS-CPS variable MIGSTA1. Available only for the 1950 census and the ACS, MIGPLAC1 provides information on the U.S. state or the country of previous residence for those who were living in a different house or apartment one year ago; it combines the information given separately in MIGSTA1 and COUNTRY in IPUMS-CPS.


  • Persons age 1+.


Years Jan Feb ASEC Apr May Jun Jul Aug Sep Oct Nov Dec
1982 – 1984 - - X - - - - - - - - -
1986 – 2023 - - X - - - - - - - - -



Unharmonized Variables