Oasdi Limit 2025 Maximum Amount. The maximum amount of income subject to the oasdi tax is $168,600 in 2025. The wage base or earnings limit for the 6.2% social security tax rises every year.
As of 2025, the maximum amount of income taxed for social security topped out at $168,600. The maximum amount of income subject to the oasdi tax is $168,600 in 2025.
