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Standard Occupational Classification

SOC Implementation Schedule

Bureau of Labor Statistics (BLS) programsReference datePublication date
Current Population SurveyJan. 2020Feb. 2020
Employer Costs for Employee CompensationDec. 2022**Mar. 2023**
Employment Cost IndexDec. 2022Jan. 2023
Employment Projections2019-2029Fall 2020
National Compensation Survey - Benefits (incidence and provisions)Mar. 2023Sept. 2023**
National Compensation Survey - Benefits (detailed provisions)2019Apr. 2020
Occupational Employment Statistics*May 2019Spring 2020
Occupational Requirements Survey2019Late 2019
OSH - Census of Fatal Occupational Injuries2019Dec. 2020
OSH - Survey of Occupational Injuries and Illnesses2019Nov. 2020


Other federal agenciesReference datePublication date
Census Bureau
  American Community Survey2018Fall 2019
  Survey of Income and Program Participation2018TBD
Employment and Training Administration, Occupational Information Network (O*NET)N/ABeginning Nov. 2020
National Center for Education Statistics
  Adult Training and Education Survey20202021
  High School and Beyond20202021
  Integrated Postsecondary Education Data System2018-192020
  National Postsecondary Student Aid Study and its longitudinal follow-ups20202021
  National Teacher and Principal Survey2019-202021
  Program for the International Assessment of Adult Competencies20212023


For information on non-BLS agencies and programs that use the SOC, see:

  • Department of Commerce, Census Bureau – Standard tabulations of data from the American Community Survey are available through the American FactFinder via the Internet at Information about occupation coding and written reports on occupational trends can be found at For additional information, contact the Census Bureau's Question and Answer Center at or contact the Call Center at (301) 763-INFO.
  • Department of Defense – Information on available data products can be obtained on the Internet at; or by writing to Director, Defense Manpower Data Center, 4800 Mark Center Drive, Suite 04E25, Alexandria, VA 22350.
  • Department of Education – Information on National Center for Education Statistics data products that use SOC coding is available at
  • Department of Labor, Employment and Training Administration (ETA) – O*NET information is available via the Internet at and; as a downloadable electronic database from the O*NET Resource Center;; and through O*NET Web Services at For more information, contact O*NET Customer Support at or contact the Department of Labor at You can also write to the O*NET project director at Office of Workforce Investment, Employment and Training Administration, U.S. Department of Labor, FPB Room S 4526, 200 Constitution Ave., NW., Washington, DC 20210.
  • Equal Employment Opportunity Commission – More information on the Commission's data survey and enforcement programs may be obtained from the Commission's Web site at
  • National Science Foundation – More information on the Scientists and Engineers Statistical Data System (SESTAT) may be obtained from the SESTAT Web site at


*Spring 2020 OES estimates based on data collected over a 3-year cycle under both the 2010 and 2018 SOC structures. Data reflecting full implementation of the 2018 SOC will have a reference date of May 2021.


**Proposed dates--subject to change.


Last Modified Date: April 11, 2022