The March 2026 monthly data and the January 2026 data that were recently re-released by the Census Bureau are now available via IPUMS CPS. October 2025 data were not collected during the U.S. federal government shutdown.
Codes and Frequencies
Description
Class of worker, longest job last year - 1976-2025
Unicon Corporation made the following notes about this variable:
* user must restrict sample to intended universe to differentiate between NIU=0 values and valid=0 values.
Universe
- 1976-1987: Civilian adults who worked last year.
- 1988-1989: Those who worked anytime during the last year even if temporary, part-ime, seasonal, or in the Armed Forces.
- 1990-2025: Those who worked anytime during the last year.
Availability
| Years | Jan | Feb | ASEC | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1976 – 2025 | - | - | X | - | - | - | - | - | - | - | - | - |
