The Social Security wage base is projected to be $118,800 in 2015, increasing $1,800 from 2014. This is based on the data from the Social Security Administration from the President’s budget forecast. The tax rates for employees and employers are expected to remain the same. This represents extra tax of $112 each for high paid employees and their employers. Long range projections for the wage base are estimated to be $122,100 for 2016, $126,300 for 2017 and $131,700 for 2018.