NOTE: Expenditure data for school year 2011 (2011–12) are estimated. Degree
data for school year 2011 are projected. Doctor's degrees include Ph.D., Ed.D.,
and comparable degrees at the doctoral level, as well as such degrees as M.D., D.D.S.,
and law degrees that were formerly classified as first-professional degrees.
SOURCE: U.S. Department of Education, National Center for Education Statistics,
Opening Fall Enrollment in Higher Education, 1960 through 1965; Financial
Statistics of Higher Education, 1959–60 through 1964–65; Earned
Degrees Conferred, 1959–60 through 1964–65; Projections of Education
Statistics to 2021; Higher Education General Information Survey
(HEGIS), "Fall Enrollment in Institutions of Higher Education,""Degrees and Other
Formal Awards Conferred,"and "Financial Statistics of Institutions of Higher Education"surveys,
1965–66 through 1985–86; Integrated Postsecondary Education Data System
(IPEDS), "Fall Enrollment Survey"(IPEDS-EF:86–99), "Completions Survey"(IPEDS-C:87–99),
and "Finance Survey"(IPEDS-F:FY87–99); IPEDS Fall 2000 through Fall 2011,
Completions component; and IPEDS Spring 2001 through Spring 2012, Enrollment and
Finance components.
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