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What Is a Payroll Tax?


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    Highlights

  • Payroll taxes fund key programs like Social Security and Medicare, with employees and employers each contributing 7
  • 65% of wages
  • Self-employed individuals pay the full 15
  • 3% self-employment tax, covering both portions
  • Employers handle additional unemployment taxes, varying by state and industry
  • Payroll taxes are flat and capped, unlike progressive income taxes that fund broader government needs
Table of Contents

What Is a Payroll Tax?

Let me tell you directly: payroll taxes are vital for funding government programs like Social Security and Medicare. You and your employer both chip in, with deductions coming straight from your wages. You'll see these on your pay stub, but employers also cover extras like unemployment insurance.

Grasping how these taxes work lets you understand your role in society's safety net. They secure your finances in retirement or health issues. In this piece, I'll break down the parts and importance for employees, employers, and the self-employed.

Key Takeaways

  • Payroll taxes fund essential government programs like Social Security and Medicare, with both employees and employers sharing the tax burden, each contributing 7.65% of wages.
  • The Federal Insurance Contributions Act (FICA) tax includes a 6.2% Social Security tax and a 1.45% Medicare tax, shown as deductions on employees' pay stubs.
  • Self-employed individuals pay both the employer and employee portions of payroll taxes, totaling a self-employment tax rate of 15.3%, which includes additional Medicare taxes on income exceeding $200,000.
  • Employers are responsible for federal and state unemployment taxes, with rates differing by industry and state, and providing benefits to employees who are laid off.
  • While payroll taxes are flat and capped annually, income taxes are progressive and support broader governmental funding at the federal and state levels.

Comprehensive Guide to Payroll Taxes

Federal payroll taxes cover Social Security and Medicare under the FICA tax in the U.S. You might see them labeled as MedFICA or FICA on your pay stub. Federal income tax, also withheld from your paycheck, feeds into the U.S. Treasury's general fund.

Most states, plus some cities and counties, add their own income taxes, withheld as part of payroll. Employers, not employees, pay federal unemployment taxes for each worker.

These taxes get collected by federal and some state governments in the U.S. and other countries. Your pay stub lists deductions for federal, state, and local income taxes, plus Medicare and Social Security.

Governments use this revenue for programs like Social Security, healthcare, and workers' compensation. Local governments might take a small payroll tax for infrastructure like first responders, roads, and parks.

Calculating Payroll Tax Contributions

Social Security and Medicare get funded by your contributions while working, so you can draw from them in retirement or for medical needs. Both you and your employer pay 7.65% each, making a total of 15.3%.

Breakdown of Social Security Payroll Taxes

Social Security taxes go into two trust funds: the Old-Age and Survivors Insurance (OASI) Trust Fund for retirement and survivor benefits, and the Disability Insurance Trust Fund for disability benefits. These are managed by officials including the Secretary of the Treasury, Labor, Health and Human Services, the Social Security Commissioner, and two public trustees.

The tax is 6.2% from you and 6.2% from your employer, totaling 12.4%. For 2024, income over $168,600 isn't taxed for Social Security.

President Franklin D. Roosevelt signed the Social Security Act in 1935 to protect the disabled and retirees. Originally, high earners were exempt, but Congress set a cap that rises with wages.

Understanding Medicare Tax Contributions

Payroll taxes also support Medicare, going into the Hospital Insurance Trust Fund for Medicare Part A, covering hospital care, skilled nursing, and sometimes home care, plus admin fees.

Most don't pay premiums for Part A if they've contributed through payroll taxes. The tax is 1.45% each from employee and employer, totaling 2.9%. Earn over $200,000, and you pay an extra 0.9%—that's on you, not the employer.

The Supplementary Medical Insurance Trust Fund covers Medicare Parts B and D, including tests, outpatient care, x-rays, ambulances, prescription drugs, and admin costs. It's funded by Congress allocations, premiums, and investment interest.

Employer Obligations for Unemployment Taxes

Employers mainly fund unemployment insurance. If they lay you off, you get benefits. Rates vary by industry, state, and federal rules. Some states make employees contribute to unemployment and disability insurance too.

If you're self-employed—like a contractor, freelancer, musician, or small business owner—you handle your own payroll taxes, called self-employment taxes.

You pay both employer and employee shares since there's no boss to split it. For 2024, the rate is 15.3%: 12.4% for Social Security and 2.9% for Medicare, plus 0.9% Medicare surtax over $200,000.

Tip: As self-employed, deduct the employer portion of FICA as a business expense.

Payroll Taxes vs. Income Taxes

Payroll taxes differ from income taxes, though both come out of your paycheck. Payroll funds specific programs; income taxes go to general funds in the U.S. Treasury or state treasuries.

Everyone pays flat payroll taxes up to a cap. Income taxes are progressive, with rates rising by earnings.

What Makes Up Payroll Taxes?

Payroll taxes cover taxes on your salary, wages, bonuses, commissions, and tips. They pay for Social Security, Medicare, unemployment, government programs, and local infrastructure.

What Is the FICA Tax?

FICA stands for Federal Insurance Contributions Act, funding Social Security and Medicare. Total is 15.3%, split evenly: you pay 7.65% (6.2% Social Security, 1.45% Medicare), and so does your employer.

Does Everyone Pay a Payroll Tax?

Yes, mostly everyone pays payroll tax, deducted from paychecks. Social Security and Medicare are regressive—same rate for all—while income tax is progressive. No paycheck? Pay estimated taxes instead.

The Bottom Line

Payroll taxes are what you and your employer pay on wages, tips, and salaries, including federal, state, local, and FICA for Social Security and Medicare, all deducted from your wages.

They support programs like Social Security, healthcare, defense, government salaries, and workers' compensation. Local taxes maintain infrastructure like first responders, roads, and parks.

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