Union Membership Rates Continue Decline
Created on January 23, 2013
1935: 13.2% (year National Labor Relations Act signed into law)
Percentage of Private Sector Wage and Salary Workers
Percentage of All Wage and Salary Workers
Union Membership Percentages
Note: This chart displays union membership using two separate data sources: assorted union reports filed with the Department of Labor between 1930 and 1980 and data from the Current Population Survey. Data for 1982 have been interpolated.
Sources: Data for 1930–1980: U.S. Department of Labor, assorted labor union reports, and Haver Analytics; 1977–2012: Heritage Foundation calculations using data from Barry T. Hirsch and David A. Macpherson, “Union Membership and Coverage Database from the Current Population Survey,” Unionstats.com, http://www.unionstats.com (accessed January 23, 2013), and from the U.S. Department of Labor, Bureau of Labor Statistics.
Percentage of Non-Agricultural Payroll Employment