Enrollment of 25 to 49 Year Olds as a Percent of 25 to 49 Year Olds with No Bachelors Degree or Higher
Undergraduate enrollment of 25 to 49 year olds / 25 to 49 year olds with no bachelors degree or higher
National Center for Education Statistics (NCES), IPEDS Fall Enrollment Survey. http://www.nces.ed.gov. U.S. Census Bureau,2006 American Community Survey Public Use Microdata Sample (PUMS) File
Data are reported bi-annually in odd number years, next data set available in 2009.