Share of state and local government union workforce with given level of educational attainment, selected years, 1989–2017

Year Less than high school  High school  Some college  College degree  Advanced degree 
1989 5.5% 23.4%  19.4% 29.0% 22.7%
2000 2.4% 19.1% 24.4% 28.2% 26.0%
2007 2.0% 17.6% 23.3% 29.1% 28.0%
2017 1.5% 14.0% 22.1% 28.6% 33.8%

Source: EPI analysis of Current Population Survey Outgoing Rotation Group and May Extract microdata

View the underlying data on epi.org.