US Federal Income Tax Guide 2026🇺🇸 United States • Tax Year 2026
Understand how federal income tax works, see the 2026 brackets, learn the difference between standard and itemized deductions, and discover legal strategies to lower your tax bill. Reflects the One, Big, Beautiful Bill Act (OBBBA) making TCJA tax rates permanent.
1. How Federal Income Tax Works
The US uses a progressive (marginal) tax system. This means you don't pay one flat rate on all your income. Instead, different portions of your income are taxed at different rates as you move through tax brackets.
Example: A Single filer earning $60,000 in 2026 doesn't pay 22% on all $60,000. They pay: 10% on the first $12,400 = $1,240, 12% on $12,400–$50,400 = $4,560, and 22% on $50,400–$60,000 = $2,112. Total: $7,912 (effective rate: 13.2%, not 22%).
Your marginal rate is the bracket your last dollar falls into. Your effective rate is your total tax divided by total income — always lower than your marginal rate.
The following brackets apply to tax year 2026, as published in IRS Revenue Procedure 2025-32. The One, Big, Beautiful Bill Act (OBBBA) made the TCJA rates permanent starting 2026.
Single Filers
Rate
Taxable Income
Tax
10%
$0 – $12,400
10% of taxable income
12%
$12,400 – $50,400
$1,240 + 12% of excess over $12,400
22%
$50,400 – $105,700
$5,800 + 22% of excess over $50,400
24%
$105,700 – $201,775
$17,966 + 24% of excess over $105,700
32%
$201,775 – $256,225
$41,024 + 32% of excess over $201,775
35%
$256,225 – $640,600
$58,448 + 35% of excess over $256,225
37%
$640,600+
$192,979.25 + 37% of excess over $640,600
Married Filing Jointly
Rate
Taxable Income
Tax
10%
$0 – $24,800
10% of taxable income
12%
$24,800 – $100,800
$2,480 + 12% of excess over $24,800
22%
$100,800 – $211,400
$11,600 + 22% of excess over $100,800
24%
$211,400 – $403,550
$35,932 + 24% of excess over $211,400
32%
$403,550 – $512,450
$82,048 + 32% of excess over $403,550
35%
$512,450 – $768,700
$116,896 + 35% of excess over $512,450
37%
$768,700+
$206,583.50 + 37% of excess over $768,700
Head of Household
Rate
Taxable Income
Tax
10%
$0 – $17,700
10% of taxable income
12%
$17,700 – $67,450
$1,770 + 12% of excess over $17,700
22%
$67,450 – $105,700
$7,740 + 22% of excess over $67,450
24%
$105,700 – $201,750
$16,155 + 24% of excess over $105,700
32%
$201,750 – $256,200
$39,207 + 32% of excess over $201,750
35%
$256,200 – $640,600
$56,631 + 35% of excess over $256,200
37%
$640,600+
$191,171 + 37% of excess over $640,600
Source: IRS Revenue Procedure 2025-32
3. Filing Status — Which One Are You?
Your filing status determines your tax brackets, standard deduction, and eligibility for certain credits:
Single — Unmarried, or legally separated, with no dependents.
Married Filing Jointly (MFJ) — Married couples filing together. Almost always better than filing separately.
Married Filing Separately (MFS) — Rarely beneficial. Useful if one spouse has large medical expenses or student loan concerns.
Head of Household (HOH) — Unmarried with a qualifying dependent. Better brackets and higher standard deduction than Single.
Qualifying Surviving Spouse — For 2 years after spouse's death if you have a dependent child.
4. Standard vs Itemized Deductions
Deductions reduce your taxable income. You choose either the standard deduction or itemized deductions — whichever is higher.
2026 Standard Deduction
Filing Status
Standard Deduction
Age 65+ or Blind (extra)
Single
$16,100
+$2,050
Married Filing Jointly
$32,200
+$1,650 per spouse
Head of Household
$24,150
+$2,050
Married Filing Separately
$16,100
+$1,650
Common Itemized Deductions
State and local taxes (SALT): Capped at $10,000 ($5,000 MFS).
Mortgage interest: On loans up to $750,000.
Charitable contributions: Up to 60% of AGI for cash gifts.
Medical expenses: Exceeding 7.5% of AGI.
Quick rule: If your mortgage interest + SALT + charitable giving exceeds $16,100 (Single) or $32,200 (MFJ), itemize. Otherwise, take the standard deduction.
5. FICA Taxes — Social Security & Medicare
FICA taxes are separate from income tax and fund Social Security and Medicare. They're withheld directly from your paycheck.
Tax
Rate (Employee)
Wage Base
Notes
Social Security
6.2%
$176,100
No tax on wages above cap
Medicare
1.45%
No limit
All wages taxed
Additional Medicare
0.9%
Above $200K ($250K MFJ)
High-earner surtax
Your employer pays matching amounts (6.2% SS + 1.45% Medicare), so the total FICA tax is 15.3%. Self-employed individuals pay the full 15.3% (but can deduct half).
Tax credits directly reduce your tax bill (unlike deductions, which only reduce taxable income). $1 credit = $1 less tax.
Child Tax Credit: Up to $2,200 per qualifying child under 17 (2026). Partially refundable up to $1,700.
Earned Income Tax Credit (EITC): Up to $8,680 for 3+ qualifying children (2026). Fully refundable.
American Opportunity Credit: Up to $2,500/year per student for first 4 years of college. 40% refundable.
Lifetime Learning Credit: Up to $2,000/year for any post-secondary education.
Saver's Credit: Up to $1,000 ($2,000 MFJ) for low/moderate-income retirement savers.
Adoption Credit: Up to $17,670 for adoption expenses (2026). Partially refundable up to $5,120.
7. Seven Legal Ways to Lower Your Tax Bill
Max your 401(k) — $23,500 pre-tax reduces your AGI dollar-for-dollar. At the 22% bracket, that's $5,170 in tax savings.
Contribute to an HSA — Triple tax advantage: deductible contributions, tax-free growth, tax-free withdrawals for medical. $4,300 (self) / $8,550 (family) in 2026.
Traditional IRA deduction — Up to $7,000 ($8,000 if 50+) if income and plan eligibility allow.
Bunch charitable deductions — If you're close to the standard deduction threshold, donate 2 years' worth in one year and itemize, then take the standard in the other year.
Harvest tax losses — Sell losing investments to offset capital gains and up to $3,000 of ordinary income.
Use the correct filing status — Head of Household gets much better brackets than Single. Make sure you qualify.
Time income and deductions — If possible, defer income to a lower-bracket year or accelerate deductions into a higher-bracket year.
The One, Big, Beautiful Bill Act (OBBBA), signed July 4, 2025, made the Tax Cuts and Jobs Act (TCJA) provisions permanent. Key items that were set to expire after 2025 but are now permanent:
Seven bracket structure (10%, 12%, 22%, 24%, 32%, 35%, 37%) — kept instead of reverting to pre-TCJA rates.
Higher standard deduction — increased further to $16,100 / $32,200 / $24,150 for 2026.
Personal exemption — remains eliminated (offset by higher standard deduction and child tax credit).
SALT cap — $10,000 cap on state/local tax deduction remains.
Child Tax Credit — permanent at $2,200 per child for 2026, inflation-adjusted going forward.
Qualified Business Income Deduction (199A) — permanent 20% deduction for pass-through income, with new $400 minimum deduction.
Estate tax exemption — increased to $15,000,000 for 2026.
9. Common Tax Filing Mistakes
Filing as Single when you qualify for HOH — Head of Household has better brackets and a $24,150 standard deduction vs $16,100. If you're unmarried with a qualifying dependent, always file as HOH.
Not adjusting W-4 withholding — If you get a huge refund every year, you're giving the government an interest-free loan. Adjust your W-4 to take home more each paycheck.
Missing above-the-line deductions — Student loan interest ($2,500), HSA contributions, and traditional IRA deductions reduce AGI even if you take the standard deduction.
Forgetting state taxes — Federal is only part of the picture. Check your state's income tax rate and local taxes.
Not keeping records — If you itemize, keep receipts for charitable donations, medical expenses, and other deductions.