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The standard deduction lowers the amount of income subject to federal income tax. It is not a tax credit and does not cut your tax bill dollar for dollar: the deduction is removed while taxable income is calculated, and the remaining amount is taxed under the rates for your filing status and tax year. For eligible taxpayers, you generally use either the standard deduction or allowable itemized deductions, whichever produces the larger deduction.
For tax year 2025, the basic federal standard deduction is $15,750 for single or married-filing-separately returns, $23,625 for head-of-household returns, and $31,500 for married filing jointly or a qualifying surviving spouse. For tax year 2026, those amounts are $16,100, $24,150, and $32,200, respectively. Age, blindness, dependent status and special filing circumstances can change the amount or your eligibility.
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What is the standard deduction?
The standard deduction is a fixed federal deduction tied mainly to filing status. The Internal Revenue Service describes a deduction this way: “A deduction is an amount you subtract from your income when you file so you don’t pay tax on it.” It is used in the calculation of taxable income rather than applied directly to the final tax bill. See the IRS overview of credits and deductions for individuals.
In a simplified calculation, you first determine income and adjustments that lead to adjusted gross income (AGI), then subtract the standard deduction or your allowable itemized deductions. The resulting taxable-income figure is run through the federal tax rules and rate schedules. Because tax rates are progressive and credits, withholding and other items also affect the final result, the dollar value of a deduction depends on the rest of your return.
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How much is the standard deduction for 2025 and 2026?
The following are the basic federal amounts. They apply to the stated tax year, not necessarily the year in which you submit the return.
| Tax year | Single or married filing separately | Head of household | Married filing jointly or qualifying surviving spouse |
|---|---|---|---|
| 2025 | $15,750 | $23,625 | $31,500 |
| 2026 | $16,100 | $24,150 | $32,200 |
The IRS publishes these figures in its annual guidance, including Internal Revenue Bulletin 2025-45 and the 2025 information in Publication 501. They are basic amounts. A taxpayer who is older or blind may qualify for an additional standard-deduction amount, and a dependent may be subject to a separate limit.
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How does the deduction change taxable income?
Suppose a taxpayer’s income and adjustments produce $70,000 of taxable income before the standard deduction. If that taxpayer files single for 2026 and is eligible for the basic $16,100 deduction, the simplified taxable-income figure becomes $53,900 before the tax-rate calculation. The deduction has reduced the amount exposed to tax; it has not created a $16,100 refund or automatically saved $16,100 in tax.
The actual federal tax reduction is the tax that would have applied to the deducted dollars under the taxpayer’s marginal circumstances. A precise estimate also requires the tax year, filing status, taxable income, other deductions and adjustments, credits, and facts such as qualifying dependents. Applying one guessed percentage to the entire deduction can therefore produce a misleading answer. The IRS provides the applicable rate schedules in its yearly guidance, including the 2026 material in Internal Revenue Bulletin 2025-45.
Is the standard deduction a tax credit?
No. A deduction lowers taxable income; a credit is applied against calculated tax. For example, a $1,000 deduction does not ordinarily reduce tax by $1,000. A $1,000 credit, subject to that credit’s rules, can reduce calculated tax by up to $1,000. Refundable credits can sometimes produce a payment even when tax is already reduced to zero, while the standard deduction cannot by itself create a refund.
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Your refund is also affected by withholding and estimated payments. A larger deduction may lower your final liability, but whether you receive a refund or owe money depends on how much was paid in during the year and on other items of the return.
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Most individual taxpayers who file an eligible federal return can choose the standard deduction instead of itemizing. The amount follows filing status, and the choice is made for each tax return. A change in income, mortgage interest, charitable giving or state taxes can make itemizing preferable in one year and the standard deduction preferable in another.
Some taxpayers cannot use the standard deduction or face special rules. The IRS identifies restrictions for certain short-year returns and for nonresident or dual-status aliens. A married couple filing separately generally cannot take the standard deduction if the other spouse itemizes. Review IRS Topic No. 501, “Should I itemize?” and the instructions for your specific return before choosing.
How do age and blindness affect the amount?
Taxpayers who are age 65 or older or who are legally blind may qualify for an additional standard-deduction amount. The addition is determined by filing status and whether one or both conditions apply, so the basic table above may understate the allowable deduction. The IRS instructions ask for the relevant age and blindness information for each spouse on a joint return.
For tax year 2026, the additional amount is $1,650 for a married individual or qualifying surviving spouse and $2,050 for an unmarried individual; the unmarried amount is higher when the taxpayer is also blind. Because the exact total depends on filing status and how many qualifying conditions apply, use the current IRS instructions rather than adding one generic amount.
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What is the standard-deduction limit for a dependent?
A dependent generally does not receive the full basic amount merely because that amount appears in the filing-status table. For 2026, the IRS states that a dependent’s standard deduction is the greater of $1,350 or $450 plus the dependent’s earned income, subject to the regular standard-deduction ceiling. The result can be limited by the dependent’s filing status and circumstances.
Earned income includes compensation for work, while unearned income is treated differently under the dependent rules. A parent or other taxpayer preparing a dependent’s return should use the current Publication 501 instructions, especially when the dependent has both earned and unearned income.
Should you take the standard deduction or itemize?
Compare the standard deduction available to you with the total of your allowable itemized deductions for the same tax year. Choose the larger allowable amount, unless a filing-status or residency rule prevents the standard deduction. Itemizing is not automatically better because you had deductible expenses; each category has eligibility rules, thresholds, caps and documentation requirements.
| Comparison question | Standard deduction | Itemized deductions |
|---|---|---|
| How is the amount determined? | Fixed amount based mainly on filing status, with possible additions or limits. | Total of qualifying expenses reported by category and allowed under tax-law limits. |
| What records are needed? | Usually no calculation of individual expenses, although records supporting filing status and special additions still matter. | Receipts, statements and other records supporting each claimed expense. |
| When can it be larger? | Often when qualifying expenses are modest or documentation is incomplete. | When allowable itemized expenses exceed the available standard deduction. |
| Can filing status restrict it? | Yes. For example, a separate filer generally cannot use it when the spouse itemizes; other restrictions apply. | Generally available when the taxpayer is otherwise eligible, subject to category limits. |
Which expenses can be itemized?
Potential itemized categories include state and local taxes, mortgage interest, charitable gifts, certain medical and dental expenses, qualified disaster losses and other expenses identified in IRS guidance. Each category can have a threshold, a ceiling, a qualifying-use requirement or a special definition. State and local tax payments, for example, are not automatically deductible in full, and medical expenses generally depend on the applicable income threshold.
Do not treat every household expense as an itemized deduction. Personal living costs, unsupported payments and expenses that fail a tax-law test do not become deductible simply because they were paid during the year. The IRS explains the categories and limitations in Topic 501 and the related Publication 501.
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How do you compare the two choices step by step?
- Identify the tax year. Use the standard-deduction amount and itemized-deduction limits for the year being filed. Do not carry a 2025 amount into a 2026 calculation.
- Confirm filing status. Determine whether the return is single, married filing jointly, married filing separately, head of household or qualifying surviving spouse. Filing status controls the basic amount.
- Check eligibility and additions. Review age, blindness, dependent status, short-year filing, and nonresident or dual-status rules. Check whether a spouse who files separately is itemizing.
- Calculate allowable itemized deductions. Gather records for state and local taxes, mortgage interest, charitable contributions, eligible medical and dental expenses, disaster losses and any other permitted category. Apply each limit before adding the categories.
- Compare totals. Compare the allowable itemized total with the standard deduction, including any age-or-blindness addition that applies. The larger eligible deduction generally produces the lower taxable income.
- Recheck the whole return. Recalculate taxable income, tax, credits, withholding and payments. A deduction choice can change tax but does not replace credit eligibility or correct an incorrect filing status.
What records should you keep?
Keep documents that establish filing status and eligibility, such as income records, dependency information and, where relevant, age or blindness documentation. If you itemize, retain year-end mortgage statements, property-tax and state-tax records, receipts for charitable gifts, medical-expense records and disaster-loss documentation. Electronic copies are useful, but they should remain readable and traceable to the transaction.
Tax software can help enter deductions and compare choices, and the IRS points eligible taxpayers to its Free File and deduction resources. Software does not remove the need to verify filing status, dependent information or supporting records.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Does the federal standard deduction apply to state income tax?
Not automatically. The amounts in this article are federal figures. States may use their own standard-deduction amounts, different itemized rules, or no standard deduction at all. Check the tax agency and instructions for every state where you must file; never copy the federal amount onto a state return without state-specific authority.
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What changes from one tax year to the next?
The IRS can adjust standard-deduction amounts, additional amounts, dependent limits and tax brackets. A return filed in 2026 may cover tax year 2025, while a return filed in 2027 may cover tax year 2026, so the filing date is not the same as the tax year. Keep the year visible on worksheets and compare your figures with the IRS publication for that year.
For tax year 2025, the basic amounts are $15,750, $23,625 and $31,500 for single or married filing separately, head of household, and married filing jointly or qualifying surviving spouse. For tax year 2026, they rise to $16,100, $24,150 and $32,200. These figures do not predict a taxpayer’s final bill without the rest of the return.
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What is the practical takeaway?
The standard deduction is a straightforward way to remove a set amount of income from federal taxation. Start with the correct tax year and filing status, add any permitted age or blindness amount, apply dependent and eligibility limits, and then compare the result with your allowable itemized deductions. The winning choice is the larger deduction you are legally allowed to claim, but the effect on your tax bill must still be calculated alongside rates, credits, withholding and the rest of your return.
Frequently Asked Questions
Can I switch between the standard deduction and itemizing from year to year?
Yes. The choice is generally made separately for each federal return, so you can use the standard deduction in one year and itemize in another when your expenses change. Keep in mind that a married couple filing separately may be constrained if one spouse itemizes.
Does taking the standard deduction reduce my adjusted gross income?
No. The standard deduction is generally subtracted after the income and adjustment steps used to determine AGI, so it reduces taxable income rather than AGI. That distinction can affect eligibility for other deductions, credits or contribution limits that use AGI.
Can a nonresident alien claim the same standard deduction as a U.S. resident?
Generally, nonresident and dual-status taxpayers face special restrictions and may not be eligible for the regular standard deduction. The applicable treaty, residency status and return instructions control, so consult the IRS rules for that filing situation.
Why did my refund change even though my standard deduction stayed the same?
A refund reflects withholding and estimated payments compared with final tax liability, not the deduction alone. Changes in wages, credits, dependents, filing status or withholding can move the refund even when the standard-deduction amount is unchanged.
