Any employee who works an average of at least 30 hours per week for more than 120 days in a year. Part-time employees work an average of less than 30 hours per week.Related ContentHealth insurance if you work part-timeOptions if you have job-based insuranceFor employers: Learn about the Small Business Health Options Program (SHOP) MarketplaceFor employers: Find out how to count your FTEs and see if you qualify for SHOP