Social Security Wage Limits

The maximum earnings subject to FICA withholding is $127,200 for 2017.  All covered wages will be subject to Medicare tax at 1.45%. There is an additional .9% surtax on wages over a threshold amount (MFJ $250,000; MFS $125,000; Single/HOH/QW $200,000).

For 2018, the maximum earning subject to FICA is $128,400.