The Survey of Earned Doctorates is the source of data on doctoral degrees. The Survey of Doctorate Recipients provides demographic and employment information on individuals with doctoral degrees in science and engineering. This survey is a longitudinal survey of a sample of individuals under the age of 76 who received a research doctorate in science or engineering from a U.S. institution and who were living in the United States. The National Survey of Recent College Graduates provides employment and demographic data on individuals who recently obtained bachelor s or master s degrees in science or engineering fields. A present information on the underlying concepts, data collection techniques, reporting procedures, and statistical reliability of the primary data sources used in this report.
Research doctorates are doctorates which require original research.
These include most PhD, and some Ed.D. and D.Sc. degrees. Nonresearch doctorates and first-professional degrees such as the J.D., M.D., D.D.S., or Psy.D. are not included in the Survey of Earned Doctorates .