Pub 17 chapter 2 in plain English: choosing your filing status
Your filing status shapes your tax rates and your standard deduction. Chapter 2 of Publication 17 explains the five choices and how to tell which you can use. These notes cover 2023 to 2025 and plan for 2026.
Prepared by Prem Tax and Accounting Corp. Last checked against official sources on October 26, 2026.
Chapter 2 covers about pages 21 to 26 of Publication 17 in the 2023, 2024 and 2025 editions. It matters if you married, divorced, were widowed or raise a child alone. Think of this page as a friendly summary; the IRS publication has the last word.
- There are five statuses: single, married filing jointly, married filing separately, head of household and qualifying surviving spouse.
- Your situation on December 31 sets your status for the whole year.
- If more than one status fits, you may pick the one with the lowest tax.
- Joint filers can each owe the full tax.
Married or unmarried on December 31
A final divorce decree dated by December 31 makes you unmarried for the whole year. A decree not yet final, or living apart with no decree, leaves you married. A spouse who died during the year still counts as your spouse all year, so a joint return with that spouse is possible unless you remarried. The 2024 and 2025 editions add that a marriage valid where it began counts, but a civil union that state law does not call marriage does not.
Joint, separate, head of household
Joint means one combined return; Form 8857 can ask for relief from your spouse's errors. After the due date, a joint return generally cannot become two separate returns.
Separate returns usually cost more. Limits (all years) include a $1,500 capital loss cap (instead of $3,000), no education credits, and no standard deduction if your spouse itemizes.
Head of household needs three things: you are unmarried or considered unmarried (a married person living apart must meet several tests, including that your spouse was out of your home for the last 6 months), you paid over half the cost of keeping up your home, and a qualifying person lived with you over half the year. A dependent parent need not live with you if you pay over half the cost of their main home for the whole year; an unrelated friend does not count.
Qualifying surviving spouse covers the 2 years after the year your spouse died, if you have not remarried, a dependent child or stepchild (not a foster child) lives with you and you pay over half the home costs. It uses joint rates and the joint standard deduction.
Numbers by year
| Tax year | Single or married separate | Joint or qualifying surviving spouse | Head of household | Qualifying surviving spouse if spouse died in |
|---|---|---|---|---|
| 2023 | $13,850 | $27,700 | $20,800 | 2021 or 2022 |
| 2024 | $14,600 | $29,200 | $21,900 | 2022 or 2023 |
| 2025 | $15,750 | $31,500 | $23,625 | 2023 or 2024 |
| 2026 planning | $16,100 | $32,200 | $24,150 | 2024 or 2025 |
Base amounts only; extras for age 65 or blindness are in chapter 10. For 2026, treat the numbers as planning figures (source: Rev. Proc. 2025-32 and the 2025 law), since the IRS has not issued Pub 17 (2026).
An invented example
Invented, tax year 2025. Priya is unmarried on December 31, 2025; her son, 9, whom she claims, lived with her all year. Home costs were $13,200 rent + $3,000 utilities + $5,800 food = $22,000, and Priya paid $14,000 of it. Half is $11,000, so she can file as head of household. Her standard deduction is $23,625, not $15,750: $7,875 more.
Mistakes people make
- Calling yourself single after a separation with no decree.
- Choosing head of household because a friend lives with you.
- Counting clothing, medical bills or your own labor as home costs.
- Assuming a joint return can be split later.
Quick check
Your spouse died in March 2025; you have not remarried. What can you file for 2025? (2025)
Answer: Married filing jointly (or separately), since you count as married all year. Qualifying surviving spouse could apply from 2026.
How much larger is the head of household standard deduction than the single one? (2024)
Answer: $21,900 - $14,600 = $7,300.
A divorce is final on December 20, 2025. Can they file jointly for 2025? (2025)
Answer: No. A final decree by December 31 makes each unmarried for all of 2025.
Common questions
Which status should I pick if two apply?
The one with the lowest tax. Married couples can compare joint and separate figures first.
We separated in June with no decree. Can I file as single?
Not simply; without a decree you are married, though head of household may still fit if you meet all its tests.
Does a roommate qualify me for head of household?
No. Only listed qualifying people count, such as a qualifying child.
Official sources
- IRS Publication 17 (2025), chapter 2
- IRS Publication 17 (2024), chapter 2
- IRS Publication 17 (2023), chapter 2
- IRS Revenue Procedure 2025-32 (2026 inflation adjustments)
Keep reading
- Who Must File a Tax Return (Pub 17 Chapter 1)
- Who Counts as a Dependent (Pub 17 Chapter 3)
- Standard Deduction 2023 to 2026: Pub 17 Chapter 10
- Key Tax Numbers by Year, 2023 to 2026
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