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A planned IPUMS system update is scheduled for Monday, December 9. The maintenance window is 10am to 1pm CST. Within that window, each site will have a brief outage of 10 or fewer minutes. This notice will be removed as soon as the update is complete.
YEAR
Survey year

Codes

YEAR is a 4-digit numeric value.

Description

YEAR reports the year in which the survey was conducted. YEARP is repeated on person records.

Comparability

This variable is fully comparable for all years.

Comparability with IPUMS-USA

IPUMS-CPS uses all four digits of the survey year in the YEAR variable. By contrast, the IPUMS census samples use the middle two digits of the year in the YEAR variable, while the IPUMS ACS samples use the last two digits of the year. Conceptually, the YEAR variables in these datasets are identical.

Universe

  • All households.

Availability

Years Jan Feb ASEC Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1962 – 1975 - - X - - - - - - - - - -
1976 – 2018 X X X X X X X X X X X X X
2019 X X X X X X X X X X X - -

Flags

This variable has no flags.

UNHARMONIZED VARIABLES

No variables available