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2025 Social Security wage base increase: What small business Owners Need to Know

With 2025 on the horizon, business owners should be aware of important updates to the Social Security wage base that may impact payroll costs. Starting in 2025, the maximum income subject to Social Security tax will rise to $176,100 (up from $168,600 in 2024). For high-earning employees, this means higher payroll taxes—so it’s a good time to plan ahead.

Here’s a clear breakdown of what this change could mean for your business and how to navigate it.

Understanding FICA: Social Security & Medicare Taxes

The Federal Insurance Contributions Act (FICA) requires employers, employees, and self-employed individuals to contribute to Social Security and Medicare. Here’s how it works:

  • Social Security Tax: Only income up to the wage base limit ($176,100 in 2025) is taxed. This rate is 6.2% for both employers and employees.
  • Medicare Tax: Unlike Social Security, Medicare tax has no income cap. The rate is 1.45%, but high earners may owe an additional 0.9%.

2025 Payroll Tax Rates

Here’s what you and your employees can expect for 2025:

  1. Employees:
    • Social Security: 6.2% on wages up to $176,100 (capped at $10,918.20).
    • Medicare: 1.45% on wages up to $200,000 (single filers), with an additional 0.9% on wages above this threshold.
  2. Self-Employed Individuals:
    • Social Security: 12.4% on income up to $176,100 (capped at $21,836.40).
    • Medicare: 2.9% on income up to $200,000 (single filers) with an additional 0.9% on earnings above this threshold.

For high-earning employees, these rates can impact their take-home pay and your payroll budget.

A Quick Look Back: Why the Wage Base Keeps Rising

When Social Security taxes were introduced in 1937, the wage base was just $3,000. Over the years, as wages and inflation have risen, the wage base has adjusted to ensure the Social Security fund remains sustainable. By 2025, the wage base will be over 58 times the original amount, highlighting the growth in wages and the cost of living over decades.

What If Employees Have Multiple Jobs?

Some employees work more than one job and may wonder if they can avoid Social Security withholding after reaching the wage cap at one employer. The answer? No. Each employer must withhold Social Security tax up to the wage cap. However, any excess withheld can be credited when employees file their tax returns, so they aren’t penalized.

Planning for 2025 and Staying Compliant

In 2025, budget for increased payroll costs, particularly if you have high earners. As always, staying on top of payroll tax filing and payment is key to compliance.

If you have questions about how this wage base increase affects your payroll, feel free to reach out. We’re here to help you manage payroll smoothly and ensure compliance every step of the way.

We encourage you to contact us with any questions.

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