Standard Occupational Classification

Standard Occupational Classification
Name	Standard Occupational Classification
Abbreviation	SOC
Type	Classification system
Country	United States
Administered by	Bureau of Labor Statistics; Office of Management and Budget
First version	1977
Latest version	2018 (SOC 2018)

Contents

Standard Occupational Classification

The Standard Occupational Classification provides a systematic taxonomy for categorizing occupations across federal statistical programs, linking labor data from the Bureau of Labor Statistics, Census Bureau, Department of Labor, Department of Commerce, and Office of Management and Budget. It supports integration of employment, wage, and workforce research conducted by agencies such as the National Center for Health Statistics, National Science Foundation, Social Security Administration, Department of Veterans Affairs, and state labor departments. The classification facilitates comparisons with international systems maintained by organizations like the International Labour Organization and statistics compiled by the Organisation for Economic Co-operation and Development.

Overview

The classification arranges occupations into a hierarchical schema used by agencies including the Bureau of Labor Statistics, Census Bureau, Office of Personnel Management, Department of Education, and Department of Agriculture. It provides standardized codes for occupations referenced in surveys such as the American Community Survey, datasets produced by the Current Population Survey, and longitudinal studies by the National Longitudinal Surveys. The SOC framework underpins reports from the Federal Reserve Board, the Congressional Budget Office, and the Government Accountability Office that analyze employment trends, labor productivity, and workforce composition.

Development began through interagency coordination led by the Office of Management and Budget with contributions from the Bureau of Labor Statistics, U.S. Census Bureau, and academic partners at institutions like Harvard University, Stanford University, and University of Michigan. Early antecedents appeared in occupational directories used by the U.S. Department of Labor and in international efforts such as the International Standard Classification of Occupations promoted by the International Labour Organization. Major revisions were issued in response to labor market change during eras marked by legislation like the Occupational Safety and Health Act and economic shifts following events such as the Great Recession. Advisory panels have included representatives from entities like the National Science Foundation, the American Medical Association, and the American Bar Association.

The scheme employs a multi-digit coding structure aligned with sectors tracked by agencies including the Bureau of Labor Statistics and occupational groups used in survey instruments from the Census Bureau. Codes map to detailed occupations cited in profession-specific sources such as the American Nurses Association, the American Institute of Architects, the American Bar Association, and the Association of American Medical Colleges. Crosswalks exist between the SOC and taxonomies used by the North American Industry Classification System, the International Standard Classification of Occupations, and vocational standards embedded in programs from the Department of Veterans Affairs and the Department of Education. Users consult guidance developed with input from bodies like the National Association of Social Workers and the American Psychological Association when assigning codes for roles cited in agency forms and administrative records.

Agencies such as the Bureau of Labor Statistics, Census Bureau, Department of Labor, and Department of Education use SOC codes for producing occupational employment statistics, wage estimates, and projections cited in publications from the Occupational Outlook Handbook, reports by the Congressional Research Service, and analyses by the Federal Reserve Bank system. Researchers at institutions like RAND Corporation, Brookings Institution, Pew Research Center, and universities including Columbia University and University of California, Berkeley rely on SOC-coded datasets for workforce, demographic, and migration studies. Employers and professional associations such as the American Hospital Association and National Association of Manufacturers use SOC classifications for job design, training programs funded by the Department of Labor's employment services, and compliance reporting referenced by the Equal Employment Opportunity Commission.

Revision cycles are coordinated by the Office of Management and Budget with technical support from the Bureau of Labor Statistics and stakeholder input from organizations like the National Science Foundation, American Medical Association, American Bar Association, National Association of Broadcasters, and industry consortia. Public comment periods, expert panels drawing on scholarship from Massachusetts Institute of Technology and Carnegie Mellon University, and consultations with state workforce agencies inform updates. Major releases have included SOC 2010 and SOC 2018; maintenance activities produce crosswalks and errata used by the Census Bureau, Social Security Administration, and labor market information systems.

Comparative work aligns SOC codes with international standards such as the International Standard Classification of Occupations maintained by the International Labour Organization and statistical frameworks used by the Organisation for Economic Co-operation and Development, the European Commission, and national agencies like Statistics Canada and the Australian Bureau of Statistics. Crosswalk projects involve partnerships with research centers at London School of Economics, Max Planck Institute, and the Institute for Employment Research to reconcile occupational concepts for multinational studies, migration analyses, and comparative labor market policy evaluations.

Category:Occupational classification systems