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Tax Filing

How does a daughter's tax filing change when she is claimed as a dependent by her mother?

Last updated: 
Sep 2025
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Answer

When a daughter is claimed as a dependent by her mother, several key aspects of her federal income tax filing change. The main effects relate to her standard deduction, eligibility to claim dependents herself, and her filing requirements. Here’s a comprehensive explanation based on the relevant sources:

1. Standard Deduction Is Limited

  • General Rule: If someone can claim the daughter as a dependent, her standard deduction is limited. She cannot claim the full standard deduction available to independent filers.
  • Calculation: For 2025, the standard deduction for a dependent is the greater of:
  • $1,350, or
  • The dependent’s earned income plus $450,
  • But not more than the regular standard deduction for her filing status (e.g., $15,750 for single filers in 2025).
  • Additional Amounts: If the daughter is 65 or older or blind, she can add the additional standard deduction amount ($2,000 for single dependents in 2025).

Example:If the daughter has $2,000 in earned income and $500 in unearned income:- Earned income + $450 = $2,450- The greater of $1,350 or $2,450 is $2,450.- Her standard deduction is $2,450 (assuming this is less than the regular standard deduction for singles).

2. Cannot Claim Dependents Herself

  • Restriction: If the daughter is claimed as a dependent by her mother, she cannot claim any dependents on her own return for that year.

3. Filing Requirements Are Different

  • Thresholds: The income thresholds that require her to file a return are lower than for independent filers. For 2025, a dependent must file a return if:
  • Her unearned income (e.g., interest, dividends) exceeds $1,350,
  • Her earned income exceeds $15,750,
  • Her gross income is more than the larger of $1,350 or her earned income plus $450,
  • She has both earned and unearned income and her gross income exceeds the greater of $1,350 or her earned income plus $450,
  • She has other special tax situations (e.g., self-employment income of $400 or more, taxes owed on certain types of income, etc.).

4. Cannot Claim Personal Exemption

  • Personal Exemption: The personal exemption is permanently set to $0, so this is not a practical difference, but it is codified that a dependent cannot claim a personal exemption for herself.

5. Eligibility for Certain Credits and Deductions

  • Credits: The daughter may still be eligible for certain credits (such as the earned income credit) if she meets the requirements, but her ability to claim credits that require her to not be a dependent (such as the American Opportunity Credit for education) may be limited.

6. Responsibility for Filing

  • Who Files: The daughter is responsible for filing her own return, but if she is unable (due to age or other reasons), her parent or guardian must file for her.

7. Summary Table of Key Changes:

AreaWhen Not a DependentWhen Claimed as a Dependent by Mother
Standard DeductionFull amount for filing statusLimited: greater of $1,350 or earned income + $450, up to regular standard deduction
Can Claim DependentsYes, if otherwise eligibleNo
Filing ThresholdsHigherLower; must use dependent thresholds
Personal Exemption$0 (suspended)$0 (suspended)
Credits/DeductionsMay be eligible for moreSome credits/deductions may be limited
Who Files ReturnHerselfHerself, or parent/guardian if unable

In summary: When a daughter is claimed as a dependent by her mother, her standard deduction is limited, she cannot claim dependents herself, her filing thresholds are lower, and she may be ineligible for certain credits. She is still responsible for filing her own return if required, but her tax calculation and eligibility for certain tax benefits are affected by her dependent status.

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