Occupational Employment Statistics (OES) Survey employment data do not cover employment in some sectors of the agriculture, forestry, fishing, and hunting industry; in private households; or among self-employed individuals. As a result, the data do not represent total U.S. employment.

Scientists and engineers include those with one or more S&E or S&E-related degrees at the bachelor's level or higher or those who have only a non-S&E degree at the bachelor's level or higher and are employed in an S&E or S&E-related occupation. For data on unemployment rates by occupation

Data include employed civilians 25–75 years old. Highest degree is derived from first major of highest degree. STEM middle-skill occupations are included in non-S&E occupations for the college-educated workforce in the National Survey of College Graduates (NSCG).

Articles are fractionally counted and classified by publication year and assigned to a region, country, or economy by author's institutional address(es). Percentages shown represent share of global S&E articles. Article counts are from a selection of journals in S&E from Scopus. Articles are

S&E fields), 38 occupational categories (out of 39 categories), 6 employment

Scientists and engineers include those with one or more S&E or S&E-related degrees at the bachelor's level or higher or those who have only a non-S&E degree at the bachelor's level or higher and are employed in an S&E or S&E-related occupation.