January 28, 2005
In 2004, the union membership rate for private industry workers was 7.9 percent, about half what it had been in 1983.
Among major private industries, transportation and utilities had the highest union membership rate in 2004, at 24.9 percent. Construction, information industries, and manufacturing also had higher-than-average rates.
Financial activities had the lowest unionization rate in 2004—2.0 percent.
These 2004 data on union membership are from the Current Population Survey. Unionization data are for wage and salary workers. Find out more in "Union Members in 2004" (PDF) (TXT), news release USDL 05-112.
Bureau of Labor Statistics, U.S. Department of Labor, The Economics Daily, Unionization rates by industry, 2004 on the Internet at http://www.bls.gov/opub/ted/2005/jan/wk4/art05.htm (visited November 28, 2015).
Fifty years of looking at changes in peoples lives
Longitudinal surveys help us understand long-term changes, such as how events that happened when a person was in high school affect labor market success as an adult.