The individuals who work for an organization could leave the organization after working for a while due to layoffs, quitting, retirement, or death, and tendency to get away from unrest is called personnel turnover. Briefly, the personnel turnover rate, which is one of the methods of analysis in human resources planning, refers to the ratio of the personnel employed in the organization to the personnel who quit their jobs in that period. Personnel turnover can be assessed differently based on the organization structure, the number of employees, and the size of the organization.