The majority of adults have less than a four-year college degree: Shares of 18- to 21-year-olds and 18- to 64-year-olds with a given level of education, 2018

Less than high school High school Some college   Bachelor’s degree Advanced degree
All 18- to 21-year-olds 20.4%  34.0%  44.1% 1.4% 0.2%
All 18- to 64-year-olds 10.5%  28.3%  29.4% 20.9% 10.9%

Note: The 2018 analysis here uses the average of the most recent 36 months, March 2015–February 2018.

Source: EPI analysis of Current Population Survey basic monthly microdata from the U.S. Census Bureau

View the underlying data on