The Social Security Administration announced October 13, 2017, that monthly Social Security and Supplemental Security Income (SSI) benefits for more than 66 million Americans will increase 2.0 percent in 2018.
” Other changes that will happen in January 2018 are based on the increase in the national average wage index. For example, the maximum amount of earnings subject to Social Security payroll tax will increase to $128,700. The earnings limit for workers younger than “full” retirement age will increase to $17,040 and the limit for people turning “full” retirement age in 2018 will increase to $45,360."