Max 2025 Social Security Tax. The 2025 limit is $176,100, up from $168,600 in 2024. The maximum 2025 social security component of the federal insurance contributions act tax payable by each employee will be $10,918.20, or 6.2% of the taxable.
In 2024, the maximum earnings subject to social security tax is $168,600. Here’s what you should know about the increase.