The most common field in which adults are licensed or certified is health care.
|Figure A3. Among adults with a license or certification, percentage whose credential is for each field of work: 2016|
NOTE: As defined in the survey, adults are ages 16 to 65 and not enrolled in high school. Adults reported details on up to three work credentials (licenses and certifications). Tabular data for percentages and their standard errors are available in Table A3.
SOURCE: U.S. Department of Education, National Center for Education Statistics, Adult Training and Education Survey (ATES) of the National Household Education Surveys Program, 2016.