IPUMS USA: descr: BIRTHQTR

IPUMS USA

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BIRTHQTR

Quarter of birth

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Description
Codes
Comparability
Universe
Availability
Questionnaire Text
Flags
Source Variables
Editing Procedure

Description

BIRTHQTR reports the person's quarter of birth (January-March, April-June, July-September, or October-December).

Codes and Frequencies

Category availability view
Case-count view

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Comparability

Apart from changes in the universe, this variable is fully comparable across years. For 1870, 1880 and 1950, the month of birth is reported in BIRTHMO.

BIRTHQTR can be used to create information roughly similar to that yielded by AGEMONTH for 1850-1940.

Universe

1870-1880: Persons under age 1.
1950: Persons under age 1.
1960-1980, 2010: All persons.
ACS, PRCS: All persons.

Availability

United States

2023: All samples
2022: All samples
2021: All samples
2020: All samples
2019: All samples
2018: All samples
2017: All samples
2016: All samples
2015: All samples
2014: All samples
2013: All samples
2012: All samples
2011: All samples
2010: All samples
2009: All samples
2008: All samples
2007: All samples
2006: All samples
2005: All samples
2004: --
2003: --
2002: --
2001: --
2000: --
1990: --
1980: All samples
1970: All samples
1960: All samples
1950: All samples
1940: --
1930: --
1920: --
1910: --
1900: --
1880: 1%; 10%
1870: 1%; 1.2%
1860: --
1850: --

Puerto Rico

2023: All samples
2022: All samples
2021: All samples
2020: All samples
2019: All samples
2018: All samples
2017: All samples
2016: All samples
2015: All samples
2014: All samples
2013: All samples
2012: All samples
2011: All samples
2010: All samples
2009: All samples
2008: All samples
2007: All samples
2006: All samples
2005: All samples
2000: --
1990: --
1980: All samples
1970: All samples
1930: --
1920: --
1910: --

Flags

QBIRTHMO

Editing Procedure

There is no editing procedure available for this variable.

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