A regressive tax takes a larger percentage of income from people who earn less

A regressive tax is one where the tax rate falls as your income rises. This means a person earning $30,000 a year pays a higher percentage of their income in tax than someone earning $300,000. The opposite of a progressive tax (where rates rise with income), a regressive tax hits lower earners proportionally harder.

The distinction matters because it shapes how much of your paycheck actually stays with you. A 10% tax on $30,000 removes $3,000. A 10% tax on $300,000 removes $30,000 — but that's only 10% of a much larger total. In a regressive system, the lower earner loses a bigger slice of what they need to live on.

Key Takeaways

  • Regressive taxes take a higher percentage of income from lower earners than from higher earners, even if the dollar amount paid is smaller.
  • Sales tax and excise tax are the most common regressive taxes because everyone pays the same rate regardless of income.
  • Payroll taxes (Social Security and Medicare) are regressive because they stop explore to income above a certain threshold, meaning high earners pay a smaller percentage overall.
  • A person earning $40,000 who spends $8,000 on taxed goods pays 20% of their income in sales tax, while someone earning $400,000 who spends the same $8,000 pays only 2%.

Why sales tax and excise tax are regressive

Sales tax is the clearest example of a regressive tax. Every state that uses sales tax applies the same rate to everyone — typically between 4% and 10% depending on the state. A single parent earning $35,000 and a lawyer earning $350,000 both pay 7% on a $100 purchase. The dollar amount is identical: $7.

But the impact is not. The parent spends a much larger share of their income on taxed goods like groceries, clothing, and gas. The lawyer can save more of their income and spend a smaller percentage on everyday purchases. Over a year, the parent might spend $25,000 on taxed items (71% of their income), while the lawyer spends $40,000 on taxed items (11% of their income). The parent pays $1,750 in sales tax (5% of income). The lawyer pays $2,800 (less than 1% of income).

Excise taxes — taxes on specific goods like gasoline, cigarettes, or alcohol — work the same way. A $0.50 tax per gallon of gas affects a delivery driver who fills up three times a week far more than a remote worker who drives once a month.

How payroll taxes become regressive above a certain income level

Social Security and Medicare taxes (together called FICA taxes) are deducted from your paycheck at a flat rate: 6.2% for Social Security and 1.45% for Medicare (your employer pays a matching amount). This looks proportional, but there is a cap.

In 2024, Social Security tax only applies to the first $168,600 of your income. Once you earn more than that, you stop paying Social Security tax on the additional dollars. Medicare has no cap, but the Social Security portion does the heavy lifting in making FICA regressive.

A person earning $50,000 pays 6.2% of their entire income to Social Security: $3,100. A person earning $500,000 pays 6.2% only on the first $168,600 ($10,453) and then nothing on the remaining $331,400. That's 2.1% of their total income. The higher earner pays more in dollars but a much smaller percentage of what they make. The cap is adjusted each year, so the exact threshold changes annually.

The difference between regressive and progressive tax structures

A progressive tax does the opposite: the rate increases as income rises. Federal income tax is progressive. Someone earning $40,000 might pay 12% on the last dollar earned, while someone earning $400,000 might pay 35% on their last dollar. The higher earner pays a larger percentage of their total income.

Property tax can be either regressive or progressive depending on how it is structured. A flat property tax rate is regressive because lower-income homeowners spend a larger percentage of their income on housing. Some states use assessed value or income-based adjustments to make property tax less regressive.

The choice between regressive and progressive structures reflects a policy decision about who bears the burden of funding government. Regressive taxes are often easier to administer (one rate for everyone) but shift more burden to lower earners. Progressive taxes require more complex calculations but distribute burden based on ability to pay.

Why regressive taxes matter to your household budget

Regressive taxes reduce the purchasing power of lower-income households more than higher-income ones. A family earning $40,000 might pay 8% of their income in sales tax, payroll tax, and excise tax combined. A family earning $400,000 might pay 4% of their income in the same taxes. The lower-income family has less left to spend on rent, food, and childcare.

This effect compounds over time. If you earn less, a larger share of your income goes to taxes that don't change based on what you earn. You have less flexibility to reduce your tax burden by earning more or adjusting your income sources. Someone with investment income (taxed at capital gains rates, which are often lower than ordinary income rates) can structure their earnings differently than someone who relies entirely on wages.

States and localities rely heavily on regressive taxes

While federal income tax is progressive, state and local governments depend far more on regressive taxes. Sales tax, excise tax, and property tax generate the majority of state and local revenue. This means the overall tax burden — federal plus state plus local — is less progressive than federal income tax alone.

Some states have no income tax and rely almost entirely on sales tax, making their tax system more regressive overall. Others use a mix: income tax (progressive), sales tax (regressive), and property tax (variable). The combination determines whether a state's total tax burden falls more heavily on lower or higher earners.

Local property taxes also vary widely. A homeowner in a high-value area might pay $8,000 a year on a $500,000 home (1.6% of home value), while a homeowner in a lower-value area might pay $2,000 a year on a $100,000 home (2% of home value). The second homeowner pays a higher percentage even though the first homeowner pays more in dollars.

Frequently Asked Questions

Is income tax regressive or progressive?

Federal income tax is progressive — the tax rate increases as your income rises. However, when combined with state and local taxes (which are often regressive), your total tax burden may be less progressive than federal income tax alone.

Why do governments use regressive taxes if they hurt lower earners?

Regressive taxes are simpler to administer and collect reliably. Sales tax requires no income verification. Excise taxes are collected at the point of sale. Governments use them because they generate steady revenue, even though the burden falls more heavily on lower earners.

Can a tax be both regressive and progressive?

A single tax cannot be both, but your total tax burden can be mixed. You might pay progressive federal income tax, regressive sales tax, and regressive payroll tax all in the same year. The overall effect depends on how much of each type you pay.

Does a flat tax count as regressive?

Yes. A flat tax applies the same rate to everyone, which means lower earners pay a higher percentage of their income. Even though the rate is the same for all, the impact is regressive because lower earners have less discretionary income to absorb the tax.

How does the Social Security tax cap make FICA regressive?

The cap means high earners stop paying Social Security tax after reaching a threshold income, while lower earners pay on every dollar they make. This creates a declining effective tax rate as income rises, making the system regressive overall.