The amount withheld by your employer from your paycheck (often under the line item "FICA," which stands for Federal Insurance Contributions Act) helps cover the cost of running the Medicare program, the federal system of health insurance for people over the age of 65. Employers pay one half of the FICA tax and employees pay the other half. The employee contribution is 6.2 percent for Social Security and 1.45 percent for Medicare on wages up to $110,100. The temporary payroll tax cut for tax years 2011 and 2012 reduced the employee portion for Social Security by 2 percent.
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