Tax Bracket

Quick Definition

A tax bracket is one of the income ranges in the U.S. federal progressive income tax system, each taxed at a specific marginal rate. For 2026, there are seven brackets ranging from 10% to 37%. You are not taxed at your bracket rate on all your income. Only the income that falls within each bracket is taxed at that bracket's rate.

What It Means

The most common misconception about tax brackets: if you earn enough to enter a higher bracket, you do not pay that higher rate on all your income. The U.S. uses a marginal tax system, meaning each bracket rate applies only to the income within that bracket's range.

No one ever takes home less money by earning more. Getting a raise never results in a net pay decrease due to taxes. At worst, the additional dollars earned in a higher bracket are taxed at a higher rate, but all lower-bracket income continues to be taxed at its original lower rates.

The One Big Beautiful Bill Act (OBBBA), signed into law on July 4, 2025, made the seven-bracket rate structure permanent. The TCJA-era rates (10/12/22/24/32/35/37%) were scheduled to sunset after 2025, which would have reverted the 24% bracket to 28% and eliminated the 10% bracket entirely. That sunset was eliminated. The OBBBA also provided an additional inflation adjustment for the bottom two brackets (10% and 12%), giving them a 4% boost on top of the standard inflation indexing.

2026 Federal Income Tax Brackets

Single Filers

Married Filing Jointly (MFJ)

Head of Household

Source: IRS Revenue Procedure 2025-32, released October 9, 2025. Tax year 2026 applies to returns filed in early 2027.

Marginal Rate vs. Effective Tax Rate

This distinction is critical:

• Marginal rate: The rate applied to your last dollar of income (your "tax bracket")
• Effective rate: Your total tax divided by your total income, almost always lower than your marginal rate

Example: Single filer with $80,000 in taxable income:

• Marginal rate: 22% (top bracket reached)
• Effective rate: $12,312 / $80,000 = 15.4%

The person earning $80,000 pays 15.4% of their total income in federal taxes, not 22%. Their marginal rate is 22% only on the last $29,600 they earned.

Taxable Income vs. Gross Income

Tax brackets apply to taxable income, not gross income. Taxable income is calculated after subtracting deductions:

Gross Income

• Minus: Above-the-line deductions (401(k) contributions, HSA, student loan interest, etc.) = Adjusted Gross Income (AGI)
• Minus: Standard deduction ($16,100 single / $32,200 MFJ in 2026) OR itemized deductions (whichever is larger) = Taxable Income

Example: Gross income $95,000, 401(k) contribution $10,000, standard deduction $16,100:

• AGI: $85,000
• Taxable income: $85,000 - $16,100 = $68,900
• Top bracket reached: 22% (not on $95,000, but on $68,900)

This is why tax-deferred contributions to 401(k)s and IRAs are so powerful: every dollar contributed reduces taxable income, potentially keeping you in a lower bracket. For 2026, the 401(k) contribution limit rises to $24,500, and the IRA limit rises to $7,500.

2026 Standard Deduction

The OBBBA made the elevated standard deduction permanent, removing the scheduled 2026 sunset that would have nearly halved it:

Additional amounts for age 65+ or blind (2026): $2,050 for single/head of household; $1,650 per person for married filers.

The OBBBA also introduced a temporary senior bonus deduction of $6,000 per person ($12,000 for married couples) for taxpayers 65 and older, available 2025 through 2028. It phases out at $75,000 MAGI (single) or $150,000 (MFJ). This is in addition to the existing extra standard deduction for seniors.

Tax Planning Around Brackets

Understanding brackets enables powerful planning strategies:

Bracket Management

The 0% Capital Gains Bracket

For long-term capital gains and qualified dividends, the rate is 0% for taxpayers in the lower income brackets. For 2026:

Source: IRS Revenue Procedure 2025-32.

This creates a powerful tax planning opportunity for early retirees, lower-income years, or individuals managing capital gains carefully. If your taxable income falls below $49,450 (single) or $98,900 (MFJ), you can sell appreciated assets and pay zero federal tax on the gains.

State Income Taxes

Federal brackets are only part of the picture. Most states also levy income taxes:

California residents at the top bracket pay 37% federal + 13.3% state = 50.3% marginal rate on ordinary income. High-income earners in high-tax states must plan accordingly.

Key Points to Remember

• Tax brackets apply only to income within each range. Entering a higher bracket never reduces take-home pay.
• Your effective tax rate is always lower than your marginal rate.
• Brackets apply to taxable income (after deductions), not gross income.
• The OBBBA made the seven-bracket rate structure permanent in July 2025, eliminating the scheduled TCJA sunset.
• The 0% long-term capital gains bracket applies up to $49,450 (single) or $98,900 (MFJ) in taxable income for 2026.
• Pre-tax retirement contributions directly reduce taxable income. The 2026 401(k) limit is $24,500.

Common Mistakes to Avoid

• Believing "I don't want a raise because it will put me in a higher bracket": The higher bracket rate only applies to dollars earned in that bracket. A raise always increases take-home pay.
• Confusing marginal and effective rates: Telling someone "I'm in the 22% bracket" does not mean you pay 22% of your income in taxes.
• Ignoring state taxes in financial planning: For residents of high-tax states like California and New York, state income taxes rival federal taxes in impact.
• Not planning for bracket changes in retirement: Many retirees assume their tax rate drops in retirement. Depending on Social Security, pension, and RMD income, effective rates in retirement can match or exceed working-year rates.
• Using 2024 or 2025 bracket figures for 2026 planning: The OBBBA changed the 2025 standard deduction mid-year, and 2026 brackets shifted again with inflation adjustments. Always use current-year figures.

Related Concepts

• Taxable Income: The amount actually subject to tax after deductions
• Tax Deduction: Reduces taxable income, lowering the amount subject to bracket rates
• Tax Credit: Reduces tax owed directly, independent of your bracket
• Adjusted Gross Income (AGI): The income figure used before deductions to determine bracket placement
• Capital Gains: Taxed at separate 0/15/20% brackets that parallel but differ from ordinary income brackets
• Standard Deduction: The flat deduction that reduces taxable income before bracket rates apply

To estimate your tax liability at different income levels, use our income tax calculator or take-home pay calculator.

Frequently Asked Questions

Q: What is the difference between a tax bracket and a tax rate? A: A tax bracket is an income range. A tax rate is the percentage applied to income within that range. Your top bracket determines your marginal tax rate, but your effective tax rate (total taxes / total income) reflects the blended impact across all brackets.

Q: Did the tax brackets change for 2026? A: The seven rates (10/12/22/24/32/35/37%) remain the same and are now permanent under the OBBBA. The income thresholds for each bracket increased by approximately 2.7% for inflation. The bottom two brackets (10% and 12%) received an additional 4% inflation adjustment under the OBBBA, slightly widening their income ranges compared to prior law.

Q: How do I figure out my marginal tax rate for planning purposes? A: Calculate your taxable income (after deductions), then find the bracket that range falls into on the current IRS table. That bracket's rate is your marginal rate, what you will pay on the next dollar of income you earn.

Q: Is the FICA (Social Security and Medicare) tax also bracket-based? A: No. FICA taxes are flat rates: 6.2% for Social Security (on income up to the 2026 wage base) and 1.45% for Medicare (on all income, plus an additional 0.9% for high earners above $200,000 single / $250,000 MFJ). These are separate from and in addition to federal income taxes.