Oasdi Max 2024 Withholding. For 2023, the fica tax rate for both employers and employees is 7.65% (6.2% for oasdi and 1.45% for medicare). For this calculation we have used the maximum tax rate bracket for 2024 of 39.6% (althought that my change if the bush tax cuts are extended).

Vi.e4 oasi and di combined trust fund (unfunded obligation) ratios: The social security administration (ssa) announced that the maximum earnings subject to social security (oasdi) tax will increase from $160,200 to $168,600.