A tax bracket is a range of income, and the tax rate that applies only to income that falls within that range

You do not pay one tax rate on your entire income. Instead, the federal government divides income into bands, and each band has its own rate. If you earn $50,000, you do not pay the same percentage on all $50,000. You pay a lower rate on the first portion, a higher rate on the next portion, and so on. This is called the progressive tax system.

For 2024, the federal income tax brackets for a single filer are: 10% on income up to $11,600; 12% on income from $11,601 to $47,150; 22% on income from $47,151 to $100,525; and higher rates on income above that. If you earn $50,000, you pay 10% on the first $11,600, then 12% on the next $35,400, then 22% on the remaining $3,000. Your effective tax rate — the actual percentage you pay on your total income — is lower than your highest bracket rate.

Tax brackets change each year and vary by filing status (single, married filing jointly, head of household, married filing separately). Your state may have its own brackets as well, separate from federal brackets.

Key Takeaways

  • Tax brackets are income ranges, not a single rate applied to all your earnings.
  • You only pay the bracket rate on income that falls within that specific range.
  • Your effective tax rate is always lower than your highest bracket rate because lower brackets apply to lower portions of your income.
  • Federal brackets change annually and differ based on whether you file as single, married, or head of household.
  • Moving into a higher bracket does not mean all your income is taxed at the higher rate — only the income above the threshold.

How income moves through the brackets

Think of tax brackets as steps. Your income fills each step from the bottom up. Once a step is full, the next dollar of income moves to the next step and is taxed at that step's rate.

Example: You are single and earn $60,000 in 2024. The first $11,600 is taxed at 10%. The next $35,550 (from $11,601 to $47,150) is taxed at 12%. The remaining $12,850 (from $47,151 to $60,000) is taxed at 22%. You do not pay 22% on the full $60,000. Your total federal tax is roughly $6,500, which is about 10.8% of your income — your effective rate.

This is why earning more money always results in more take-home pay, even when you move into a higher bracket. Only the income above the threshold is taxed at the higher rate. The income below the threshold is still taxed at the lower rate.

The difference between marginal rate and effective rate

Your marginal tax rate is the rate applied to your last dollar of income — the highest bracket you reached. Your effective tax rate is the average rate you paid on all your income combined.

If you earn $60,000 and your highest bracket is 22%, your marginal rate is 22%. But your effective rate is lower because you paid 10% and 12% on the income below that threshold. Many people confuse these two numbers. Your marginal rate matters when you are deciding whether to earn extra income or claim a deduction, because that extra dollar will be taxed at your marginal rate. Your effective rate is what you actually paid overall.

Tax brackets for different filing statuses

The income ranges for each bracket differ depending on how you file. Single filers have one set of brackets. Married couples filing jointly have wider brackets — meaning more income fits into each bracket before moving to the next one. This is one reason married filing jointly often results in a lower overall tax bill than filing as two single filers.

Head of household filers (usually a single parent supporting dependents) have brackets between single and married filing jointly. Married filing separately filers have the narrowest brackets and usually pay the most tax. The IRS publishes new brackets each year, usually in October or November, for the following tax year.

Why brackets are adjusted each year

The IRS adjusts tax brackets annually for inflation. This is called bracket creep adjustment. Without this adjustment, inflation would push more of your income into higher brackets even if your actual purchasing power stayed the same. The adjustment ensures that inflation alone does not increase your effective tax rate.

For example, if brackets did not adjust and inflation rose 3%, a person earning $50,000 might find themselves in a higher bracket the next year even if they received no raise. The adjustment shifts the bracket thresholds up by roughly the inflation rate, so your bracket position stays roughly the same unless your actual income increases.

How state taxes fit into brackets

Most states have their own income tax and their own tax brackets, separate from federal brackets. A few states (Alaska, Florida, Nevada, South Dakota, Tennessee, Texas, Washington, Wyoming) have no state income tax. The rest have brackets that work the same way as federal brackets — your income moves through ranges, and each range has its own rate.

Your total tax bill includes both federal and state tax. If you live in a state with income tax, you will see both amounts on your tax return. Some states have lower effective rates than others, and some have flat taxes (one rate on all income) rather than progressive brackets. Your state tax return is filed separately from your federal return, though many tax software programs handle both at once.

Common misconceptions about tax brackets

The most common mistake is thinking that moving into a higher bracket means all your income is taxed at that rate. It is not. Only the income above the threshold is taxed at the higher rate. Moving into a higher bracket always means more take-home pay, not less.

Another misconception is that your tax bracket and your effective rate are the same thing. They are not. Your bracket is where your last dollar lands. Your effective rate is the average across all your income. A third misconception is that tax brackets are the same everywhere. They are not — they vary by state, and they change every year federally.

Frequently Asked Questions

If I earn more money and move to a higher tax bracket, do I lose money overall?

No. Only the income above the bracket threshold is taxed at the higher rate. The income below that threshold is still taxed at the lower rate. You always keep more money when you earn more, even if some of it is taxed at a higher rate.

What is the difference between my tax bracket and my effective tax rate?

Your tax bracket is the rate applied to your last dollar of income — the highest bracket you reached. Your effective tax rate is the average rate you paid on all your income combined. If your highest bracket is 22% but your effective rate is 10.8%, you paid an average of 10.8% across all your income.

Do state taxes use the same brackets as federal taxes?

No. Most states have their own income tax with separate brackets. Some states have no income tax at all. Your state brackets may be higher or lower than federal brackets, and they are filed on a separate return.

Why do tax brackets change every year?

The IRS adjusts brackets annually for inflation. This prevents inflation alone from pushing your income into higher brackets and raising your effective tax rate without any real increase in your income.

What filing status should I use to get the best tax brackets?

Married filing jointly usually offers the widest brackets and lowest overall tax. Single filers have narrower brackets. Head of household is between the two. The best filing status depends on your situation, and a tax professional can help you determine which applies to you.