There is a cap on the amount of compensation that is subject to Social Security tax. But there is no cap on the amount of compensation that is due to the Medicare tax. The FICA tax rate for employers is 7.65 percent in the year 2022. This, according to the Federal Insurance Contributions Acts, includes contributions of 6.2 percent to the Social Security tax and 1.45 percent to Medicare (the same as in 2021).