Effective January 1, 2019, the U.S. Social Security Administration will increase the maximum earnings subject to the Social Security payroll tax by $4,500 (from $128,400 in 2018 to $132,900 in 2019).
SSA Press Release: https://www.ssa.gov/news/press/releases/2018/#10-2018-1
SSA Fact Sheet: https://www.ssa.gov/news/press/factsheets/colafacts2019.pdf
Note: This excludes reference to the 0.9% employee-paid Medicare tax under a provision of the Affordable Care Act. See https://www.irs.gov/businesses/small-businesses-self-employed/questions-and-answers-for-the-additional-medicare-tax for more details.
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