The power of unions to set nonunion workers' pay has fallen since 1979: Union density effect on nonunion wages, 1979–2013

Year Men Women
1979 0.40% 0.34%
1980 0.52% 0.32%
1981 0.64% 0.43%
1983 0.56% 0.47%
1984 0.56% 0.47%
1985 0.50% 0.44%
1986 0.48% 0.36%
1987 0.50% 0.36%
1988 0.48% 0.31%
1989 0.39% 0.25%
1990 0.41% 0.29%
1991 0.41% 0.35%
1992 0.43% 0.30%
1993 0.44% 0.23%
1995 0.27% 0.31%
1996 0.34% 0.22%
1997 0.31% 0.15%
1998 0.31% 0.06%
1999 0.18% 0.16%
2000 0.19% 0.06%
2001 0.15% 0.06%
2002 0.14% 0.10%
2003 0.27% 0.27%
2004 0.24% 0.25%
2005 0.24% 0.21%
2006 0.22% 0.17%
2007 0.22% 0.15%
2008 0.31% 0.12%
2009 0.35% 0.07%
2010 0.42% 0.22%
2011 0.35% 0.02%
2012 0.35% 0.06%
2013 0.27% 0.07%

Notes: Lines show the predicted change in earnings for a 1 percentage-point increase in unionization. The sample is restricted to nonunion, full-time workers in the private sector ages 16 to 64. Wages are measured in 2013 dollars. See the text and Methodological Appendix for details on the analysis.

Source: Authors’ compilations from the Current Population Survey (CPS) May Supplement microdata and CPS Outgoing Rotation Group microdata.

View the underlying data on epi.org.