Nonunion wages for workers without more than a high school education would get a boost by restoring union membership to 1979 level: Estimated weekly wages and weekly wages at 1979 union density for nonunion private-sector workers with a high school diploma or less, by gender, select years 1979–2013 (2013 dollars)

Men

Year Estimated At 1979 union density
1979 $744.79
1983 $691.57 $710.62
1993 $655.00 $695.46
2003 $716.51 $772.73
2013 $684.07 $745.12

Women

Year Actual At 1979 union density
1979 $490.23
1983 $487.06 $492.24
1993 $502.81 $513.75 
2003 $551.91 $565.49 
2013 $515.22 $528.60 

Notes: Sample restricted to nonunion full-time workers in the private sector ages 16 to 64. See the text and Methodological Appendix for details on the analysis.

Source: Authors' analysis of Current Population Survey Outgoing Rotation Group microdata.

View the underlying data on epi.org.