November 2025 monthly data are now available via IPUMS CPS. Note that October data were not collected during the U.S. federal government shutdown.
Codes
This variable is not available for any of the currently selected samples.
Description
Calendar quarter of birth date - 1968-1972
Unicon Corporation made the following notes about this variable:
Tabs indicate that this is all missing in 1962.
Universe
- All persons.
Availability
| Years | Jan | Feb | ASEC | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1968 – 1972 | - | - | X | - | - | - | - | - | - | - | - | - |
