Nonunion wages 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, by gender, select years 1979–2013 (2013 dollars)

Men

Year Actual At 1979 union density
1979 $906.69 
1983 $872.31  $889.24 
1993 $877.18  $912.01 
2003 $1,005.74  $1,055.36 
2013 $983.41  $1,035.80 

Women

Year Estimated At 1979 union density
1979 $545.69
1983 $566.12 $570.89 $545.69
1993 $639.59 $650.48 
2003 $749.07 $762.98 
2013 $767.27 $781.07 

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

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

View the underlying data on epi.org.