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Among occupational groups, education, training, and library occupations (38.5 percent) and protective services (37.0 percent) had the highest unionization rates in 2005.
Transportation and material moving occupations (19.0 percent), construction and extraction occupations (17.6 percent), installation, maintenance, and repair occupations (17.2 percent), production occupations (17.1 percent), and community and social services occupations (16.5 percent), also had higher-than-average unionization rates.
Sales and related occupations (3.3 percent) and farming, fishing, and forestry occupations (3.9 percent) had the lowest unionization rates.
Overall, 12.5 percent of wage and salary workers were union members.
These data on unionization membership in 2005 are from the Current Population Survey. Unionization data are for wage and salary workers. Find out more in Union Members in 2005 (PDF) (TXT), news release USDL 06-99.
Bureau of Labor Statistics, U.S. Department of Labor, The Economics Daily, Unionization rates by occupation in 2005 at https://www.bls.gov/opub/ted/2006/jan/wk4/art03.htm (visited March 21, 2023).