Dimensions of wage inequality, by gender, 1973–2011

Wage gap* Change
1973 1979 1989 1995 2000 2007 2011 1973–1979 1979–1989 1989–2000 2000–2007 2007–2011
A. Total wage inequality**
90/10 (x/y) Men 128.0% 130.0% 144.3% 151.1% 150.3% 155.3% 160.9% 2.0 14.3 6.0 5.0 5.7
Women 115.9 103.2 134.9 137.6 137.7 143.7 145.9 -12.7 31.8 2.8 6.0 2.1
90/50 Men 60.3 58.8 69.2 76.1 79.5 83.0 87.7 -1.5 10.4 10.2 3.6 4.7
Women 59.2 60.6 70.5 76.5 78.2 81.3 83.2 1.4 9.9 7.7 3.1 1.9
50/10 Men 67.6 71.1 75.1 75.0 70.8 72.3 73.3 3.5 3.9 -4.2 1.4 1.0
Women 56.7 42.5 64.4 61.1 59.5 62.4 62.7 -14.2 21.9 -4.9 2.9 0.2
B. Between-group inequality***
Education
College/high school Men 25.1% 20.2% 34.0% 37.1% 42.0% 44.1% 44.8% -4.9 13.8 8.0 2.1 0.7
Women 36.5 25.0 40.0 46.7 47.9 48.5 48.7 -11.5 15.0 7.9 0.6 0.2
High school/less than high school Men 22.3 22.0 22.1 26.5 26.0 25.2 28.7 -0.3 0.1 3.9 -0.7 3.4
Women 26.2 21.3 26.4 29.8 29.5 27.7 26.2 0.0 0.1 0.0 0.0 0.0
Experience****
Middle/young
(35 yrs/25)
Men 22.0% 21.5% 25.7% 26.9% 22.9% 24.3% 27.5% -0.5 4.1 -2.8 1.4 3.2
Women 8.0 9.5 17.8 21.7 18.4 20.9 22.4 1.5 8.3 0.6 2.5 1.5
Old/middle
(50 yrs/35)
Men 3.4 8.2 12.4 12.7 8.8 9.4 11.8 4.7 4.3 -3.7 0.7 2.4
Women -2.0 0.4 2.1 5.3 4.7 8.3 8.6 2.4 1.7 2.5 3.7 0.3
C. Within-group inequality*****
Men 42.3% 42.8% 46.7% 47.8% 48.1% 50.1% 50.7% 1.4% 9.0% 3.0% 4.2% 1.1%
Women 41.8 40.2 44.7 46.7 45.8 48.4 48.5 -3.8 11.4 2.4 5.7 0.2

* Log wage differential

** Log wage ratio of x/y

*** Simple human capital regression of log wages; see table notes

**** Ratio x/y

***** Mean square error from same regressions as education and experience

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

View the underlying data on epi.org.