The Social Security Administration recently announced that the wage base for computing Social Security tax will increase to $168,600 for 2024 (up from $160,200 for 2023). Wages and self-employment income above this threshold aren’t subject to Social Security tax. Basic details The Federal Insurance Contributions Act (FICA) imposes two taxes on employers, employees and self-employed workers — one for Old Age, Survivors and Disability Insurance, which is commonly known as the Social Security tax, and the other for Hospital Insurance, which is commonly known as the Medicare tax. There’s a maximum amount of compensation subject to the Social Security tax, but no maximum for Medicare tax. For 2024, the FICA tax rate for employers will be 7.65% — 6.2% for Social Security and 1.45% for Medicare (the same...