Glossary Definitions Labor force: A subset of the population that includes only those who are employed and those who are not working but actively seeking work (unemployed). Middle-skill occupations: As a subset of science, technology, engineering, and mathematics (STEM) occupations, middle-skill occupations require a high level of STEM skills and expertise but do not typically require a bachelor’s degree for entry. These positions are primarily in the areas of construction trades, installation, maintenance, and production. S&E occupations: As a subset of STEM occupations, science and engineering (S&E) occupations typically require a bachelor’s degree for entry and include five major categories of workers: (1) computer and mathematical scientists, (2) biological, agricultural, and environmental life scientists, (3) physical scientists, (4) social scientists, and (5) engineers. S&E-related occupations: As a subset of STEM occupations, S&E-related occupations require STEM skills and exper...
