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The Relationship Between The 1990 Census and Census 2000 Industry and Occupation Classification Systems
The Relationship Between The 1990 Census and Census 2000 Industry and Occupation Classification Systems
Report Number TP-65
Introduction
This paper describes the changes in the industry and occupation classification systems used in the 1990 Census of Population and Housing (1990 Census) and the classification systems used in Census 2000. As a result of these changes, many 2000 industry detailed categories and major groups and most 2000 occupation detailed categories and major groups are not comparable to similar categories and groupings in the 1990 and earlier censuses.
The Census Bureau provides data on industries and occupations at several different levels of detail on various data products (also called data sets), which change from census to census. For Census 2000 data analysts can find industry and occupation tables on data sets called Summary File (SF)-3, SF-4, the Equal Employment Opportunity (EEO) File, and Public Use Microdata Samples (PUMS). These products are similar to counterparts produced from the 1990 Census. Some of these 1990 and 2000 products are available on the Census Bureau’s website called American FactFinder (see www.census.gov).
Related Information
WORKING PAPER
Industry and Occupation Working Papers
Page Last Revised - October 8, 2021
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