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Standard Occupational Classification

2018 SOC Implementation Schedule

Bureau of Labor Statistics (BLS) programs Reference date Publication date
Current Population Survey Jan. 2020 Feb. 2020
Employer Costs for Employee Compensation Dec. 2020** Mar. 2021**
Employment Cost Index Dec. 2022** Jan. 2023**
Employment Projections 2019-2029 Fall 2020
National Compensation Survey - Benefits (incidence and provisions) Mar. 2021** July 2021**
National Compensation Survey - Benefits (detailed provisions) 2019** Apr. 2020**
Occupational Employment Statistics* May 2019 Spring 2020
Occupational Requirements Survey 2019 Late 2019
OSH - Census of Fatal Occupational Injuries 2019 Dec. 2020
OSH - Survey of Occupational Injuries and Illnesses 2019 Nov. 2020


Other federal agencies Reference date Publication date
Census Bureau
  American Community Survey 2018 Fall 2019
  Survey of Income and Program Participation 2018 TBD
Employment and Training Administration, Occupational Information Network (O*NET) N/A Beginning Nov. 2020
National Center for Education Statistics
  Adult Training and Education Survey 2020 2021
  High School and Beyond 2020 2021
  Integrated Postsecondary Education Data System 2018-19 2020
  National Postsecondary Student Aid Study and its longitudinal follow-ups 2020 2021
  National Teacher and Principal Survey 2019-20 2021
  Program for the International Assessment of Adult Competencies 2021 2023


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: August 14, 2018