job separation rate; turnover rate
Refers to the rate at which employees leave a company, often used in HR and business contexts. The antonym is 入職率 (hiring rate).
See also: 入職率
This company's turnover rate is lower than the industry average.
A workplace with a high turnover rate may have some problems.
Compound of 離職 (りしょく, 'leaving a job') + 率 (りつ, 'rate').