turnover
US /ˈtɝːnˌoʊ.vɚ/
UK /ˈtɝːnˌoʊ.vɚ/

1.
2.
the rate at which employees leave a company and are replaced by new ones
:
•
High employee turnover can be costly for businesses.
•
The company implemented new policies to reduce staff turnover.
the rate at which employees leave a company and are replaced by new ones