The figure shows the increase in the PhD graduates for 1970 to 2007. The biomedical sciences increased from 2,946 in 1970 to 6,083 in 2007, the behavioral sciences increased from 3,251 in 1970 to 4,149 in 2007 and the clinical sciences grew from 249 to 1,939 during the period. Yearly variations are show for the biomedical, behavioral and clinical sciences.

FIGURE D-8Ph.D. graduates from U.S. universities by major field, 1970–2007: quadratic trend and annual variations

SOURCE: Data extracted from National Science Foundation Survey of Earned Doctorates, 2007.

From: Appendix D, Demographic Projections of the Research Workforce in the Biomedical, Clinical, and Behavioral Sciences, 2006–2016

Cover of Research Training in the Biomedical, Behavioral, and Clinical Research Sciences
Research Training in the Biomedical, Behavioral, and Clinical Research Sciences.
National Research Council (US) Committee to Study the National Needs for Biomedical, Behavioral, and Clinical Research Personnel.
Washington (DC): National Academies Press (US); 2011.
Copyright © 2011, National Academy of Sciences.

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