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How does the standard deduction work?

Short answer

The standard deduction is a fixed amount that reduces the income subject to federal tax. The amount depends on your filing status, age, vision, and whether someone else can claim you as a dependent. For tax year 2026, the standard deduction is $16,100 for single filers and married couples filing separately, $24,150 for heads of household, and $32,200 for married couples filing jointly and qualifying surviving spouses.

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Standard deduction amounts for 2025 and 2026

The Internal Revenue Service (IRS) adjusts standard deduction amounts annually to account for inflation.

Filing status2025 tax year2026 tax year
Single or married filing separately$15,750$16,100
Head of household$23,625$24,150
Married filing jointly or qualifying surviving spouse$31,500$32,200

Source: Internal Revenue Service (1,2)

Standard deduction vs. itemized deductions

While the standard deduction is fixed by the government and is based on your filing status, itemized deductions are eligible expenses that you can write off, such as:

  • Mortgage interest
  • Charitable contributions
  • State and local taxes
  • Medical expenses above 7.5% of adjusted gross income (AGI)

Typically, you’ll use the deduction that results in a larger deduction to your income. Your choice between standard deduction and itemized deductions may change as your expenses and filing status change.

Note: If you’re itemizing, you’ll want to hold on to records and receipts supporting the expenses you claim. If you’re taking the standard deduction, you don’t need to provide records or receipts.

Additional deductions available for age and/or blindness

Taxpayers who are 65 and older and/or blind may add the following amount to their standard or itemized deduction for each qualifying condition. These deductions are taken as check boxes on line 12d of Form 1040.

Filing status2025 tax year2026 tax year
Single or head of household$2,000$2,050
Married filing jointly, married filing separately, or qualifying surviving spouse$1,600$1,650

Source: Internal Revenue Service (1,2)

An additional senior deduction allows eligible taxpayers age 65 and/or older to deduct up to $6,000 for tax years 2025 through 2028. Married couples filing jointly may deduct up to $12,000 when both spouses qualify. This deduction is taken on Schedule 1-A in Part V, Enhanced Deduction for Seniors. The additional senior deduction:

  • Is available whether you itemize or take the standard deduction.
  • Begins to phase out above $75,000 in modified adjusted gross income (MAGI) for single filers and $150,000 for joint filers.
  • Generally requires married taxpayers to file jointly.

Special rules for dependents

If someone else can claim you as a dependent, your standard deduction may be lower than the regular amount. For both the 2025 and 2026 tax years, it’s generally the greater of:

  • $1,350
  • Earned income plus $450

The deduction can’t exceed the regular standard deduction for your filing status. For example, a dependent with $5,000 in earned income would generally receive a standard deduction of $5,450.

Note: This deduction is limited to earned income. If the dependent has only unearned income (investment, dividends, or interest), the deduction is $1,350.

Other standard deduction restrictions

You generally can’t claim the standard deduction if:

  • You’re married filing separately, and your spouse itemizes deductions.
  • You’re a nonresident or dual-status alien, with limited exceptions.
  • You file a return covering less than 12 months because of a change in your accounting period.

You don’t need to file a separate form to claim the standard deduction. Tax software or the Form 1040 instructions will determine the amount based on your filing status and circumstances.