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HISTID
Consistent historical data person identifier

Description

HISTID is a consistent individual-level identifier.

The variables SERIAL and PERNUM uniquely identify individuals within a dataset. However, the specific respondents associated with those unique values can change as historical full count datasets are improved. HISTID allows researchers to track specific individuals regardless of any such changes as it is a unique identifier independent of household and position within household. Researchers can then merge their existing data with newer versions of the data file using HISTID and identify updates, corrections, or improvements that may have been applied to the data.

Codes

HISTID is a 36-character, consistent individual-level identifier.

Comparability

This variable is comparable across all available datasets.

Universe

  • 1930 100%:
  • 1940 100%: All Persons.

Availability

United States
  • 2017: --
  • 2016: --
  • 2015: --
  • 2014: --
  • 2013: --
  • 2012: --
  • 2011: --
  • 2010: --
  • 2009: --
  • 2008: --
  • 2007: --
  • 2006: --
  • 2005: --
  • 2004: --
  • 2003: --
  • 2002: --
  • 2001: --
  • 2000: --
  • 1990: --
  • 1980: --
  • 1970: --
  • 1960: --
  • 1950: --
  • 1940: 100%
  • 1930: 100%
  • 1920: 100%
  • 1910: 100%
  • 1900: 100%
  • 1880: --
  • 1870: --
  • 1860: --
  • 1850: --
Puerto Rico
  • 2017: --
  • 2016: --
  • 2015: --
  • 2014: --
  • 2013: --
  • 2012: --
  • 2011: --
  • 2010: --
  • 2009: --
  • 2008: --
  • 2007: --
  • 2006: --
  • 2005: --
  • 2000: --
  • 1990: --
  • 1980: --
  • 1970: --
  • 1930: --
  • 1920: --
  • 1910: --

Flags

This variable has no flags.

Editing Procedure

There is no editing procedure available for this variable.