The projected-year matrix incorporates these expected changes. Data on self-employed workers in each occupation come from the Current Population Survey. Self-employed workers were projected separately. In most occupations, replacement needs provide more job openings than growth. Replacement openings occur as people leave occupations.
Some individuals transfer to other occupations as a step up the career ladder or to change careers.
Some stop working temporarily, perhaps to return to school or care for a family. Other workers, retirees for example, leave the labor force permanently.