Tax Filing Status Explained: Which of the Five Fits You

The five statuses

Status	Who can use it (Publication 501)	2026 standard deduction
Single	considered unmarried and not qualifying for another status	$16,100
Married filing jointly	considered married, and both spouses agree to file one return with combined income and deductions	$32,200
Married filing separately	married; each spouse files their own return	$16,100
Head of household	unmarried or considered unmarried, paid more than half the cost of a home, a qualifying person lived there more than half the year	$24,150
Qualifying surviving spouse	for 2 years after the year a spouse died, with a qualifying child and not remarried	$32,200

The deductions are the 2026 figures from Rev. Proc. 2025-32; standard deduction 2026 covers the extra amounts for age 65 and blindness, and federal income tax brackets 2026 the rate schedule each status uses.

The last day of the year decides

Publication 501 ties marital status to the end of the tax year, December 31 for most people. If you are divorced under a final decree by the last day of the year, you are considered unmarried for the whole year and cannot choose married filing jointly. A couple who married on December 31 is married for the whole year. And if more than one status fits, Publication 501's instruction is simple: choose the one that will give you the lowest tax.

Head of household, in detail

All three requirements must be met:

Unmarried or considered unmarried on the last day of the year. A married person living apart from their spouse can be considered unmarried if they meet the tests under Considered Unmarried in Publication 501, even without a divorce or legal separation.
Paid more than half the cost of keeping up a home for the year.
A qualifying person lived with you in the home for more than half the year, except for temporary absences such as school. A dependent parent is the exception: the parent does not have to live with you if you pay more than half the cost of the parent's main home for the whole year, which can include a rest home.

Publication 501 notes that qualifying for head of household usually means a lower tax rate than single or married filing separately and a higher standard deduction: $24,150 against $16,100 for 2026. The paycheck calculator lets you compare the withholding under each status, and the guide child tax credit 2026 covers the credit the same child often brings.

Jointly or separately

Joint returns combine both spouses' income and deductions, and can be filed even if one spouse had no income. Publication 501 says the tax may be lower than the combined tax under the other statuses.
Separate returns may help if you want to be responsible only for your own tax, or in the cases where they produce less tax. If the spouses do not agree to file jointly, separate is the status they must use unless one qualifies for head of household.
What separate costs. Several benefits are reduced or unavailable when married filing separately, among them the student loan interest deduction and, outside the separated-spouse rules, the Earned Income Tax Credit.

After a spouse dies

In the year a spouse dies, the survivor can still file jointly, Publication 501 says, if otherwise qualified; it is the last year a joint return is possible. For the 2 years after, a survivor who has not remarried and has a child who qualifies them can use qualifying surviving spouse: joint return tax rates and the highest standard deduction, but not a joint return. Publication 501's example: a spouse who died in 2024 allows the status for 2025 and 2026. After that, single or head of household applies.

This guide follows IRS Publication 501 for 2025 returns and the 2026 standard deductions in Rev. Proc. 2025-32. The detailed tests for considered unmarried, qualifying persons and surviving spouses are in the publication itself.

Frequently asked questions

What are the five tax filing statuses?

Single, married filing jointly, married filing separately, head of household and qualifying surviving spouse, per IRS Publication 501. Your status depends mainly on whether you are considered married or unmarried on the last day of the year, and Publication 501 says that if more than one filing status applies to you, you should choose the one that gives you the lowest tax.

Who can file as head of household?

Publication 501 lists three requirements: you are unmarried or considered unmarried on the last day of the year; you paid more than half the cost of keeping up a home for the year; and a qualifying person lived with you in the home for more than half the year, apart from temporary absences such as school. A dependent parent does not have to live with you, as long as you pay more than half the cost of the parent's main home. Head of household brings a higher standard deduction, $24,150 for 2026, and usually lower rates than single.

Am I married for tax purposes if I divorced in December?

No. Publication 501 says that if you are divorced under a final decree by the last day of the year, you are considered unmarried for the whole year and cannot choose married filing jointly. Marital status is decided on the last day of the tax year.

Should married couples file jointly or separately?

Usually jointly. Publication 501 says a joint return may give a lower tax than your combined tax under the other statuses, and the joint standard deduction is twice the single one. Filing separately may benefit you if you want to be responsible only for your own tax or if it does result in less tax; it also shuts off several benefits, including the student loan interest deduction and, in most cases, the Earned Income Tax Credit.

What is a qualifying surviving spouse?

A filing status available for 2 years after the year a spouse died, for a taxpayer who has not remarried and has a child who qualifies them under the tests in Publication 501. It gives joint return tax rates and the highest standard deduction, $32,200 for 2026, but it does not allow a joint return. In the year of death itself the survivor can still file jointly.

Sources

General information based on the sources above, not tax, legal or financial advice.

Written by Tobias. Updated October 22, 2026.