The IRS has released federal income tax brackets and standard deduction amounts for the 2027 tax year. The seven marginal rates remain 10%, 12%, 22%, 24%, 32%, 35% and 37%, while income thresholds have been adjusted upward for inflation. That adjustment may help limit bracket creep for taxpayers whose income rises roughly in line with inflation, but it does not guarantee a lower tax bill. The figures generally apply to returns filed in early 2028 for income earned in 2027.
2027 brackets by filing status
The listed thresholds for taxable income are:
| Marginal rate | Single | Married filing jointly | Married filing separately | Head of household |
|---|---|---|---|---|
| 10% | Up to $12,800 | Up to $25,600 | Up to $12,800 | Up to $17,700 |
| 12% | $12,800–$52,025 | $25,600–$104,050 | $12,800–$52,025 | $17,700–$67,450 |
| 22% | $52,025–$109,125 | $104,050–$218,250 | $52,025–$109,125 | $67,450–$105,700 |
| 24% | $109,125–$208,325 | $218,250–$416,450 | $109,125–$208,325 | $105,700–$201,750 |
| 32% | $208,325–$264,550 | $416,450–$529,100 | $208,325–$264,550 | $201,750–$256,200 |
| 35% | $264,550–$661,375 | $529,100–$793,650 | $264,550–$396,825 | $256,200–$640,600 |
| 37% | Over $640,600 | Over $768,700 | Over $396,825 | Over $640,600 |
The listed single-filer thresholds overlap: the 35% bracket is shown as extending to $661,375, while the 37% bracket begins above $640,600. The married-filing-jointly figures also overlap, with the 35% bracket ending at $793,650 and the 37% bracket beginning above $768,700. The available information does not explain these discrepancies, so taxpayers should verify the applicable figures against the formal tax bracket information before relying on them.
Marginal rates apply only to income within each bracket
The federal income tax system is progressive. Moving into a higher bracket does not mean all taxable income is taxed at that rate: only the portion of income within the bracket faces its marginal rate, while income in lower brackets remains taxed at lower rates. Crossing a threshold therefore does not suddenly subject an entire income to the higher rate.
Raising bracket thresholds is intended to ease bracket creep. If wages and other nominal income rise with prices while tax thresholds remain unchanged, taxpayers can move into higher brackets even when their purchasing power has not materially improved. When income growth is broadly in line with the threshold adjustment, some taxpayers may remain in the same marginal bracket; larger income increases can still put additional income into a higher bracket.
Standard deduction amounts also rise
For 2027, the standard deduction will be $16,600 for single filers and married people filing separately, $33,200 for married couples filing jointly, and $24,950 for heads of household. Taxpayers who claim the standard deduction rather than itemizing can use the applicable amount to reduce taxable income.
A taxpayer’s actual federal liability also depends on filing status, taxable income, deductions, tax credits and other factors. The standard deduction and bracket thresholds alone do not determine the final amount owed.
The figures apply to 2027 income
Taxpayers should distinguish the tax year from the filing year. These figures apply to income earned in 2027, with returns generally filed in early 2028. Returns for the upcoming 2026 tax year should use the 2026 brackets.
When estimating tax for next year, taxpayers may need to account for wages and bonuses as well as investment income, retirement account withdrawals, business income and other taxable income, along with applicable deductions and adjustments. Business owners and investors who can control when certain income is recognized may consider how income and applicable brackets fall across the current and following tax years.
Roth account conversions generally count as taxable income in the year of conversion. Anyone considering a conversion in 2027 can use the new brackets to estimate how additional income could affect their marginal rate. Spreading conversions over multiple years may also change the distribution of taxable income from year to year. Long-term capital gains are taxed at rates that differ from ordinary income, though ordinary taxable income can still affect the tax treatment of investment income.
Taxpayers expecting significant changes in wages, bonuses, investment income or retirement withdrawals may also want to review federal withholding. The new brackets do not automatically mean everyone needs to change withholding; the key question is whether withholding remains aligned with their expected tax liability.