Figure 13.

Enrollment in degree-granting institutions, by age: Fall 1970 through fall 2017

SOURCE: U.S. Department of Education, National Center for Education Statistics, Higher Education General Information Survey (HEGIS), "Fall Enrollment in Institutions of Higher Education" surveys, 1970 through 1985; 1986-87 through 2005-06 Integrated Postsecondary Education Data System, "Fall Enrollment Survey" (IPEDS-EF:86-99), and Spring 2001 through Spring 2006; and Projections of Education Statistics to 2016.