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
- Description
- Comparability
- Universe
- Availability
- Flags
- Questionnaire Text
- UnHarmonized Variables
Codes
This variable is not available for any of the currently selected samples.
Description
BIRTHQTR reports the person's quarter of birth (January-March, April-June, July-September, October-December).
This information was transcribed by the CPS interviewer, based on reported information about each person's date of birth.
Comparability
This variable is fully comparable across years.
Comparability with IPUMS-USA
This variable is completely comparable with the BIRTHQTR variable in IPUMS-USA.
Universe
- All persons.
Availability
| Years | Jan | Feb | ASEC | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1968 – 1971 | - | - | X | - | - | - | - | - | - | - | - | - |
