Tax Brackets Explained: How Marginal Rates Actually Work
2025 Federal Income Tax Brackets
Single Filers
| Tax Rate | Taxable Income | Tax Owed |
|---|---|---|
| 10% | $0 – $11,925 | 10% of income |
| 12% | $11,926 – $48,475 | $1,192.50 + 12% over $11,925 |
| 22% | $48,476 – $103,350 | $5,578.50 + 22% over $48,475 |
| 24% | $103,351 – $197,300 | $17,651 + 24% over $103,350 |
| 32% | $197,301 – $250,525 | $40,199 + 32% over $197,300 |
| 35% | $250,526 – $626,350 | $57,231 + 35% over $250,525 |
| 37% | Over $626,350 | $188,769.75 + 37% over $626,350 |
Married Filing Jointly
| Tax Rate | Taxable Income | Tax Owed |
|---|---|---|
| 10% | $0 – $23,850 | 10% of income |
| 12% | $23,851 – $96,950 | $2,385 + 12% over $23,850 |
| 22% | $96,951 – $206,700 | $11,157 + 22% over $96,950 |
| 24% | $206,701 – $394,600 | $35,302 + 24% over $206,700 |
| 32% | $394,601 – $501,050 | $80,398 + 32% over $394,600 |
| 35% | $501,051 – $751,600 | $114,462 + 35% over $501,050 |
| 37% | Over $751,600 | $202,154.50 + 37% over $751,600 |
How Marginal Tax Rates Work: An Example
Say you’re a single filer earning $85,000 in taxable income. Here’s how your tax is actually calculated:
| Bracket | Income Taxed | Rate | Tax |
|---|---|---|---|
| 10% | $11,925 | 10% | $1,192.50 |
| 12% | $36,550 | 12% | $4,386.00 |
| 22% | $36,525 | 22% | $8,035.50 |
| Total Federal Tax | $13,614 | ||
| Effective Rate | 16.0% | ||
Your marginal rate is 22%, but your effective rate is only 16%. That’s the key insight of progressive taxation — each dollar is taxed at its own rate.
Marginal Rate vs Effective Rate
| Concept | Marginal Rate | Effective Rate |
|---|---|---|
| Definition | Tax rate on your next dollar of income | Total tax ÷ total income |
| Use | Evaluating tax impact of additional income | Understanding your actual tax burden |
| Always | Higher (or equal to) effective rate | Lower than marginal rate |
| For a $85K earner | 22% | ~16% |
How to Lower Your Tax Bracket
You can’t change the bracket thresholds, but you can reduce your taxable income to stay in a lower bracket:
Pre-tax retirement contributions. Every dollar contributed to a traditional 401(k) or Traditional IRA reduces your taxable income dollar-for-dollar. Maxing your 401(k) at $23,500 could drop you a full bracket.
HSA contributions. HSA contributions are deductible — up to $4,300 (self) or $8,550 (family) in 2025. Combined with your 401(k), that’s up to $32,050 off your taxable income.
Itemized deductions. Mortgage interest, state/local taxes (up to $10,000), and charitable donations can push you below the next bracket threshold if they exceed the standard deduction ($15,000 single / $30,000 married in 2025).
Tax-loss harvesting. Realized investment losses offset capital gains and up to $3,000 of ordinary income. Read our tax-loss harvesting guide for the full strategy.
Key Takeaways
- The U.S. has 7 federal tax brackets (10%, 12%, 22%, 24%, 32%, 35%, 37%) — only income within each range is taxed at that rate.
- Your effective tax rate is always lower than your marginal rate due to progressive taxation.
- Pre-tax retirement contributions (401(k), Traditional IRA) and HSA contributions are the most direct ways to reduce your taxable income.
- A raise or bonus that pushes you into a higher bracket never makes you worse off after tax — only the incremental dollars are taxed more.
- Bracket thresholds are adjusted annually for inflation by the IRS.
Frequently Asked Questions
Will earning more money put me in a higher tax bracket?
It might push your top dollars into a higher bracket, but that doesn’t mean all your income is taxed more. Only the income above the bracket threshold is taxed at the higher rate. You always take home more money with a higher salary — the “higher bracket” fear is a myth.
Are state taxes separate from federal brackets?
Yes. Most states have their own income tax brackets and rates, which are separate from and in addition to federal taxes. Some states (Florida, Texas, Nevada, Wyoming, and others) have no state income tax at all. Your total tax burden is federal + state + any local taxes.
How do capital gains interact with tax brackets?
Long-term capital gains have their own separate rate structure (0%, 15%, 20%) but the thresholds are based on your total taxable income. Short-term capital gains are added to your ordinary income and taxed at your marginal rate.
What’s the standard deduction for 2025?
For 2025, the standard deduction is $15,000 for single filers, $30,000 for married filing jointly, and $22,500 for head of household. This amount is subtracted from your gross income before applying the bracket rates, which is why taxable income differs from gross income.
Do tax brackets apply to all types of income?
The 7 brackets apply to ordinary income: wages, salary, self-employment income, interest, short-term capital gains, and non-qualified dividends. Long-term capital gains and qualified dividends have their own preferential rates. Income in tax-advantaged accounts grows tax-deferred or tax-free.