Your filing status is used to determine your filing requirements, standard deduction, eligibility for certain credits, and your correct tax.
1. Single
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Who is this for? You are unmarried, divorced, or legally separated according to state law as of the last day of the year (Dec 31) and do not qualify for another status.
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2025 Standard Deduction: $15,750
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Key Note: If you are legally married but separated, you cannot file as Single unless you have a final divorce or separate maintenance decree by Dec 31.
2. Married Filing Jointly (MFJ)
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Who is this for? You are married and agree to file a combined return with your spouse. You report your combined income and deduct your combined allowable expenses.
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2025 Standard Deduction: $31,500
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Key Note: Even if one spouse had no income or deductions, you can still file jointly. Both spouses are generally held responsible for the tax and any interest or penalties due on the return.
3. Married Filing Separately (MFS)
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Who is this for? You are married but choose to file a separate return from your spouse.
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2025 Standard Deduction: $15,750
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Key Note: This status often results in a higher tax than filing jointly. If you file separately, you generally cannot take credits like the Earned Income Credit (EITC) or the Child and Dependent Care Credit. Also, if one spouse itemizes deductions, the other spouse must also itemize (they cannot take the standard deduction).
4. Head of Household (HOH)
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Who is this for? You are unmarried (or "considered unmarried") and pay more than half the cost of keeping up a home for yourself and a qualifying person (usually a child or dependent relative) who lived with you for more than half the year.
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2025 Standard Deduction: $23,625
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Key Note: This status offers a lower tax rate and higher standard deduction than Single.
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"Considered Unmarried" Rule: You can sometimes file HOH even if you are still married if you lived apart from your spouse for the last 6 months of the year and paid more than half the upkeep of the home for your dependent child.
5. Qualifying Surviving Spouse (QSS)
(Formerly called Qualifying Widow(er))
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Who is this for? Your spouse died in one of the two prior years (2023 or 2024 for a 2025 return), you have not remarried, and you have a dependent child living with you.
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2025 Standard Deduction: $31,500
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Key Note: This allows you to use the same standard deduction and tax rates as Married Filing Jointly.
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Note: In the actual year your spouse died (2025), you still file as Married Filing Jointly.
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Disclaimer: This cheat sheet provides a high-level overview of filing statuses and standard deductions based on IRS.gov information for the 2025 tax year. It is for educational purposes only and does not constitute legal or tax advice. Tax laws are complex and subject to change. Please consult with a qualified tax professional regarding your specific business situation.