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
UH_FICA_A1 is a 5-digit numeric variable.
Description
Social security retirement payroll deduction - 1992-2025
Universe
- All persons however value is from tax filing unit head.
Availability
| Years | Jan | Feb | ASEC | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1992 – 2025 | - | - | X | - | - | - | - | - | - | - | - | - |
