Normally, the labor force of a country (or other geographic entity) consists of everyone of working age, typically above a certain age (around 14 to 16) and below retirement (around 65) who are participating workers, that is people actively employed (either part-time or full-time) or people actively seeking employment. People not counted include people who are not employed and not seeking employment including students, retired people, stay-at-home parents, and people in prisons or similar institutions.
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