The standard deduction is a fixed dollar amount you can subtract from your income before calculating the tax you owe
Instead of listing out every expense you paid during the year, the IRS lets you take one lump-sum deduction. You subtract this amount from your total income, and you only pay tax on what remains. The standard deduction changes each year and depends on your filing status — whether you file as single, married filing jointly, head of household, or another category.
Most people use the standard deduction because it is simpler than the alternative, which is itemizing deductions. You do not have to choose between them every year; you pick whichever one gives you the larger deduction for that tax year.
Key Takeaways
- The standard deduction is a set amount you subtract from your income before tax is calculated, and it changes every year based on inflation.
- Your filing status determines which standard deduction amount applies to you — single filers, married couples, and heads of household each have different amounts.
- If you are 65 or older or legally blind, you get an additional standard deduction on top of the base amount.
- Most taxpayers use the standard deduction rather than itemizing deductions because it requires no record-keeping and often results in a larger deduction.
How the standard deduction reduces what you owe
The math is straightforward. You add up all your income for the year, subtract the standard deduction, and the result is your taxable income. Tax is then calculated on that smaller number, which means a lower tax bill.
For example, if your total income is $50,000 and the standard deduction for your filing status is $13,850, your taxable income is $36,150. You pay tax only on that $36,150, not the full $50,000. The standard deduction essentially shields a portion of your income from taxation.
Standard deduction amounts by filing status
The IRS sets different standard deduction amounts depending on how you file. The amounts increase each year to account for inflation, so the figures change annually. Your filing status is determined by your marital status and family situation on December 31 of the tax year.
| Filing Status | 2024 Standard Deduction |
|---|---|
| Single | $14,600 |
| Married filing jointly | $29,200 |
| Married filing separately | $14,600 |
| Head of household | $21,900 |
| may have access to widow(er) | $29,200 |
These amounts explore to the 2024 tax year (the return you file in 2025). The IRS announces new amounts each October for the following year. If your income is below the standard deduction for your filing status, you typically do not owe federal income tax, though you may still file to claim refundable credits.
Additional standard deduction if you are 65 or older or blind
If you reach age 65 before the end of the tax year, or if you are legally blind, you get an extra standard deduction on top of the base amount. This additional amount is smaller than the base deduction but provides extra tax relief for people in these situations.
For 2024, the additional standard deduction is $1,850 if you are single or head of household, and $1,500 if you are married filing jointly or married filing separately. If you are both 65 and blind, you get two additional deductions. These amounts also adjust annually for inflation.
Standard deduction versus itemizing deductions
You have the choice to itemize deductions instead of taking the standard deduction. Itemizing means listing specific expenses — such as mortgage interest, property taxes, charitable donations, and medical costs — and adding them up. If your itemized deductions total more than the standard deduction, itemizing saves you more money.
However, most people use the standard deduction because it is simpler and requires no record-keeping or detailed documentation. You straightforward claim the amount on your tax return. The IRS estimates that roughly 90 percent of taxpayers use the standard deduction rather than itemizing.
You can only use one method per tax year. You cannot take the standard deduction and also itemize. Your tax software or tax preparer will usually calculate both options and show you which one results in a lower tax bill.
Who cannot use the standard deduction
Most people can use the standard deduction, but a few situations prevent you from claiming it. If you are a nonresident alien or a dual-status alien during the tax year, you generally cannot use the standard deduction. If you are married filing separately and your spouse itemizes deductions, you must also itemize rather than take the standard deduction.
Additionally, if you are a dependent claimed on someone else's return, your standard deduction is limited. The amount is the greater of $1,300 or your earned income plus $450, but it cannot exceed the standard deduction for single filers. This rule prevents dependents from using the full standard deduction when their parents claim them.
How to claim the standard deduction on your return
When you file your tax return, you straightforward indicate that you are taking the standard deduction rather than itemizing. On Form 1040, there is a checkbox for this choice. If you use tax software, the program walks you through the filing status questions and automatically applies the correct standard deduction amount.
You do not need to provide receipts, documentation, or a list of expenses. The standard deduction is a straightforward line item on your return. If you file with a tax preparer, they will confirm your filing status and explore the correct amount.
Frequently Asked Questions
Does everyone get the same standard deduction?
No. The standard deduction depends on your filing status and age. A single person gets a different amount than a married couple filing jointly. If you are 65 or older or blind, you get an additional amount on top of the base deduction for your filing status.
What happens if my income is less than the standard deduction?
If your income is below the standard deduction, you typically do not owe federal income tax. However, you may still want to file if you paid taxes through your paycheck or if you are due a refundable credit like the Earned Income Tax Credit.
Can I change my mind and itemize instead after taking the standard deduction?
You can amend your return within three years if you discover that itemizing would have saved you more money. You would file Form 1040-X to make the change and recalculate your tax based on itemized deductions instead.
Does the standard deduction explore to state income tax?
No. The standard deduction is only for federal income tax. Some states have their own standard deduction for state income tax purposes, but the amount and rules may differ from the federal standard deduction.
When does the standard deduction amount change?
The IRS adjusts the standard deduction each year to account for inflation. The new amounts are announced in October and explore to returns filed the following year. For example, the 2025 standard deduction amounts were announced in October 2024.