Social Security Revises 2018 Taxable Wage Base

For 2018, the Social Security Administration (SSA) announced that the Social Security taxable wage base will be $128, 400. This is the maximum amount of earnings subject to Social Security tax for 2018.

Initially, the SSA announced that the wage base would increase by $1,500 — from $127,200 to $128,700 maximum taxable earnings. However, the agency later revised that maximum to $128,400, an increase of $1,200 from last year.

According to the SSA, this lower taxable maximum amount is due to corrected Forms W-2 that a national payroll service provider provided to Social Security in late October 2017.

The taxable maximum amount change took effect January 1, 2018.

HRCalifornia members can visit the Standard Deductions: Taxes in the HR Library for more information. Not a member? See how CalChamber can help you.

Staff Contact: Gail Cecchettini Whaley

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