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Industry classification of longest held job

Codes and Frequencies

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For persons aged 25 and older in 1986 and sample persons aged 18 and older in 1987-1988 who have ever worked, INDLHJ reports the industry of the person's longest held job.

Please refer to the 1980 Industry Codes page for more information about the label that associates with each code in INDLHJ.


Changes in the universe limit the comparability of this variable.


  • 1986: Persons aged 25+ who have ever worked
  • 1987: Half sample persons aged 18+ who have ever worked
  • 1988: Sample persons aged 18+ who have ever worked


  • 1986-1988