Last updated: March 2026
2026 Federal Income Tax Brackets Explained
The federal income tax system in the United States is progressive, meaning higher income is taxed at higher rates. For 2026, there are seven tax brackets: 10%, 12%, 22%, 24%, 32%, 35%, and 37%. The key concept is that each bracket only applies to the income within that range.
For a single filer earning $90,000 in 2026, the tax is calculated as follows: 10% on the first $11,600 ($1,160), then 12% on $11,601 to $47,150 ($4,266), then 22% on $47,151 to $90,000 ($9,427). The total federal tax would be approximately $14,853, giving an effective rate of about 16.5% — not the 22% marginal rate.
This progressive structure means that earning more never makes you worse off. Moving into a higher bracket only affects the additional income, not your entire salary. The fear of “moving into a higher tax bracket” causing a pay cut is one of the most common tax misconceptions.
The bracket thresholds are adjusted annually for inflation. Married filing jointly brackets are roughly double the single filer thresholds, while head of household brackets fall between single and married filing jointly thresholds to provide additional relief for single parents.
How Federal Tax Deductions Reduce Your Bill
Deductions reduce your taxable income, not your tax directly. The 2026 standard deduction is $15,000 for single filers and $30,000 for married filing jointly. If you earn $80,000 as a single filer and take the standard deduction, you are only taxed on $65,000.
The tax savings from a deduction depend on your marginal bracket. A $1,000 deduction saves $220 for someone in the 22% bracket, but $370 for someone in the 37% bracket. This is why high-income earners benefit more from deductions in absolute dollar terms, though the percentage reduction in taxable income is the same.
Frequently Asked Questions
How are federal income tax brackets calculated?
Federal income tax uses a progressive system where your income is divided into brackets, each taxed at a different rate. For 2026, a single filer pays 10% on the first $11,600, then 12% on income from $11,601 to $47,150, and so on up to 37% on income over $609,350. You only pay the higher rate on income within that bracket, not on all your income.
What is the difference between marginal and effective tax rate?
Your marginal tax rate is the rate on your next dollar of income — it's the highest bracket your income reaches. Your effective tax rate is the average rate across all your income (total tax divided by total income). For example, a single filer earning $80,000 has a 22% marginal rate but only about 14% effective rate because lower portions of income are taxed at 10% and 12%.
Which states have no income tax?
Nine states have no income tax on wages: Alaska, Florida, Nevada, New Hampshire, South Dakota, Tennessee, Texas, Washington, and Wyoming. New Hampshire and Tennessee previously taxed investment income but have phased those out. Living in a no-income-tax state can significantly increase your take-home pay.
How does the standard deduction work?
The standard deduction is a flat amount subtracted from your adjusted gross income before tax is calculated. For 2026, it's $15,000 for single filers, $30,000 for married filing jointly, and $22,500 for head of household. You can choose the standard deduction or itemize deductions (mortgage interest, state taxes, charitable giving) — whichever is larger reduces your tax more.
What is FICA tax and how much is it?
FICA (Federal Insurance Contributions Act) tax funds Social Security and Medicare. In 2026, you pay 6.2% for Social Security on the first $168,600 of earnings and 1.45% for Medicare on all earnings. If you earn over $200,000 (single) or $250,000 (married filing jointly), you pay an additional 0.9% Medicare surtax on income above those thresholds.
How do pre-tax deductions like 401(k) reduce my taxes?
Pre-tax deductions like 401(k) contributions, HSA contributions, and employer health insurance premiums are subtracted from your gross income before federal and state taxes are calculated. For example, if you earn $80,000 and contribute $6,000 to a 401(k), you're only taxed on $74,000. This can save you thousands in taxes annually while building retirement savings.