also by law workers have the right to request their employers to insure them nic although firms must insure workers when their contracts specify or more basic working hours per week workers with lower basic working hours may have higher actual working hours higuchi reported that the percentage of workers contributing to employment insurance was for men for women which suggests low coverage of nonregular employment if the numbers enrolled in the el system million in and million in are compared with total number of employees aged the implied el coverage was in and fell to in japan statistical yearbook tables and