Massachusetts Employee Biographical Data is a collection of information that includes employee name, address, date of birth, gender, and other personal information such as marital status, nationality, and Social Security Number. This data is used for a variety of purposes such as payroll, human resources, and employee benefits tracking. There are two main types of Massachusetts Employee Biographical Data: current employee data and former employee data. Current employee data contains information for active employees and is used to maintain accurate records and issue payments. Former employee data is used to track employee history and is used when former employees are rehired or for research purposes.