non-regular employee; non-permanent worker
Refers to workers who are not regular, full-time permanent employees, including part-timers, temps, and contract workers. Often contrasted with 正社員.
The proportion of non-regular employees is increasing year by year.
He works as a non-permanent employee.
正社員 is a regular, full-time permanent employee, while 非正社員 is a non-regular employee.
パート is a part-time worker, a common type of 非正社員.
契約社員 is a contract employee, another type of 非正社員.
Compound of 非 (non-) and 正社員 (regular employee).