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BIRTHQTR
Quarter of birth

Description

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

Codes and Frequencies



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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. Not available in the 1880 100% database.
  • 1950: Persons under age 1.
  • 1960-1980: All persons.
  • ACS, PRCS: All persons.
  • 2010: All persons.

Availability

United States
  • 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: All samples
  • 1860: --
  • 1850: --
Puerto Rico
  • 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.