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Component ID: #ti1318985914

Because the industry and occupation classifications have changed over time, crosswalks have been developed to facilitate analysis of data across classification systems. Occupation classifications are derived from the Standard Occupational Classification (SOC) system. Industry classifications are derived from the North American Industrial Classification System (NAICS).

The most recent code lists and crosswalks are available for download. Data users accessing the Public Use Microdata Sample (PUMS), should refer to the appropriate PUMS code list. 

Component ID: #ti1701645135


2017 Census Industry Code Lists (Derived from the 2017 NAICS)

2012 Census Industry Code Lists (Derived from the 2012 NAICS)

2007 Census Industry Code Lists (Derived from the 2007 NAICS)

Component ID: #ti461885633

Industry Crosswalks for Comparing Data from 1990 Census to Census 2000

Component ID: #ti1041437746


2002 Census Occupation Code Lists (Derived from the 2000 SOC)

North American Industry Classification System (NAICS) Revision Process

The North American Industry Classification System (NAICS) is the standard used by Federal statistical agencies in classifying business establishments for the purpose of collecting, analyzing, and publishing statistical data related to the U.S. business economy. To obtain detailed information on the structure of NAICS and revision process, please visit the following webpage:

2018 Standard Occupational Classification (SOC) Revision Process

The Standard Occupational Classification, or SOC, helps ensure that occupational data produced across the Federal statistical system are comparable and can be used together in analysis. To reflect changes in the economy and the nature of work, the SOC must be revised periodically. Input from the public is a key part of the revision process. To obtain information on the completed revision process for the 2018 Standard Occupation Classification (SOC), data users can access the following webpages from the Bureau of Labor Statistics:

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