In 2027, High Earners Could Hit the Top Social Security Tax Bill as the Wage Cap Jumps by $7,800

A change to Social Security's wage cap is set to take effect in 2027, and workers with higher incomes will notice it in their paychecks. Self-employed people will face an even bigger burden, and lawmakers may still change the rules. Here’s who is most affected.

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Many workers are accustomed to Social Security taxes being taken out of each paycheck, even if that deduction is unwelcome. Still, the bite can be especially painful when the amount rises sharply from one year to the next.

For lower and middle earners, the upcoming shift may not change much. Higher earners, however, could face a sizable increase.

The Social Security wage cap is going up

Payroll taxes are the main source of Social Security funding. Although the program also collects money from other sources, such as taxes on benefits, payroll taxes provide most of its revenue.

Every year, Social Security sets a wage cap that limits how much income is subject to tax. The cap is $184,500, and income above that level is not taxed for Social Security.

That cap will rise to $192,300 in 2027, an increase of $7,800. For higher earners, that means the maximum Social Security tax owed in the year will be $11,922.60.

The Social Security tax rate is 12.4%, but employers and employees each pay half. Applying that rate to the new cap produces a total tax of $23,845.20. Split in two, that leaves workers on $192,300 or more paying $11,922.60 apiece.

Self-employed workers are hit harder because they do not have an employer to cover half the tax. Anyone self-employed earning at least $192,300 in 2027 would owe the full $23,845.20.

Some lawmakers still want to change the cap

Higher earners may not like seeing Social Security taxes climb in 2027, but there is a potential additional concern. Some lawmakers are pushing to raise the wage cap further, or remove it altogether, as a way to strengthen the program's finances.

For now, no such measure has become law, so the cap remains in place even though it will be higher in 2027 than it is now. Still, anyone affected by the increase should keep an eye on policy discussions about raising or eliminating the cap.

If a change like that were approved, it could have a major effect on household budgets. That is something many workers would need to plan for.

For the time being, though, higher earners may want to prepare for a larger Social Security tax bill and look for ways to reduce the impact.

Possible strategies include maximizing IRA or 401(k) contributions or harvesting losses in a taxable brokerage account. If the larger wage cap would strain your finances, it may also make sense to speak with a tax professional.