Social Security Tax: A payroll tax that funds the Social Security program, which provides retirement, disability, and survivor benefits to eligible individuals.
Medicare Tax: A payroll tax that funds the Medicare program, which provides health insurance coverage for individuals aged 65 and older, as well as those with certain disabilities.
Employer Payroll Tax: The portion of the payroll tax that is paid by the employer, in addition to the employee's share, to fund social insurance programs.