2011 Social Security and Medicare Tax

These changes went into effect January 1, 2011:

  • - The employee tax rate for social security is 4.2%.
  • - The employer tax rate for social security remains un-changed at 6.2%.
  • - The 2011 social security wage base limit is $106,800.
  • - In 2011, the Medicare tax rate is 1.45% each for employers and employees, unchanged from 2010.
  • - There is no wage base limit for Medicare tax.

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