* Reported percentages were calculated on those Ph.D. completers responding to the pertinent survey items (rates of response were not 100%). Please see Supplementary Table III-6 for additional information regarding certain of the fields of study to which this figure refers.
Source: American Academy of Arts and Sciences, Humanities Indicators (humanitiesindicators.org). Data drawn from National Science Foundation (NSF), National Center for Science and Engineering Statistics, “Doctorate Recipients from U.S. Universities: 2014—Data Tables,” tables 42, 44, http://www.nsf.gov/statistics/2016/nsf16300/data-tables.cfm (accessed 8/9/2016). The NSF web resource reports data from the Survey of Earned Doctorates, which is sponsored by the National Science Foundation, National Institutes of Health, U.S. Department of Education, National Endowment for the Humanities, U.S. Department of Agriculture, and National Aeronautics and Space Administration.