The National Science Foundation's National Center for Science and Engineering Statistics has more than doubled the sample size of its 2015 Survey of Doctorate Recipients in order to examine employment characteristics for specific fields of degree for the first time.

The 2015 survey reports employment data for eight broad degree fields, as well as more than 200 "fine" fields of degree within those broad categories.

More than 1 million people worldwide held doctorates from U.S. institutions in science, engineering and health (SEH) fields.

The 2015 survey sampled data from 120,000 people who had earned doctorates from U.S. institutions in SEH fields.

Of doctorate holders residing in the United States, 87 percent were part of the labor force, with 76 percent working full time.

In the United States, 47 percent of working doctorate holders were employed in the business/industry sector and 45 percent at educational institutions.

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