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Updated for 2011

Self-Employment Tax

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Self-Employment Tax Rate

UPDATE: For 2011, the employee's share of social security tax was reduced 2%, to 4.2% (.042). As of this writing, this reduction was extended for two months in 2012.

Therefore, the self-employment tax rate for 2011 is 13.3% (15.3% minus 2%)and is a combination of two rates:

  1. The social security rate of 10.4%
  2. The Medicare rate of 2.9% (

The Social Security Wage Base and Medicare Taxes

For 2011 is the maximum wage base for social security taxes is $106,800.

Unlike social security taxes, which applies to a maximum amount of earnings ($106,800 for 2011) then stops, there is no earnings ceiling for Medicare taxes. The Medicare rate is applied to all earnings without limit.

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Self-Employment Tax: Deduction for One Half of Self-Employment Tax; Deductions for Retirement Plans

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