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Tax Filing Requirements for Children

OVERVIEW

Wondering how old you have to be to file taxes? The IRS requires all taxpayers, regardless of age, to file a tax return if they meet income thresholds.

NEW TAX LAW CHANGES

The One Big Beautiful Bill that passed includes permanently extending tax cuts from the Tax Cuts and Jobs Act, including increasing the cap on the amount of state and local or sales tax and property tax (SALT) that you can deduct, makes cuts to energy credits passed under the Inflation Reduction Act, makes changes to taxes on tips and overtime for certain workers, reforms Medicaid, increases the Debt ceiling, and reforms Pell Grants and student loans. Updates to this article are in process. Check our One Big Beautiful Bill article for more information.

TABLE OF CONTENTS

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Key Takeaways

  • Tax requirements for dependent children are different from those of other taxpayers.
  • A dependent child who has earned more than $15,750 of earned income (tax year 2025) typically needs to file a personal income tax form. Earned income includes wages, tips, salaries, and payment from self-employment.
  • A dependent child who receives more than $1,350 in investment income in 2025 is required to file a tax return. Investment income includes interest and dividend payments.
  • If your child’s investment income consists only of interest and dividends, you can use IRS Form 8814 to include it on your own return and combine it with your own income. Doing this may push you into a higher tax bracket and result in higher income tax than if you prepare a separate return for your child.

Filing requirements for children

The Internal Revenue Service requires all taxpayers, regardless of age, to file a tax return and pay the appropriate income tax in any year their gross income exceeds certain levels. This requirement extends to the children you claim as dependents. However, unlike adult taxpayers, children have more flexibility in choosing how to comply.

Dependent children

Your dependent children need to submit tax returns if they earn certain amounts of income during the year. Different filing rules apply to children and even small amounts of income may require a return.

Taxpayers claimed as dependents have different filing requirements than those that are not claimed as dependent so you should ensure that your child is eligible to be your dependent. The tax rules typically allow you to claim a credit for a dependent child if they reside with you for more than half the year, don’t provide more than half of their own financial support, and are under the age of 19 at all times during the tax year, or under 24 if a full-time student.

If your child lives outside of the home because they are away at school or due to another temporary absence, you can still claim them as a dependent as long as they meet all of the other requirements of being your dependent.

Your child’s earned income

Unlike other taxpayers, the IRS treats your dependent child differently depending on whether they earn money from work or through investments. Dependent children who have earned income of more than $15,750 of income in 2025 typically need to file a personal income tax return and might owe tax. Earned income applies to wages and salaries your child receives as a result of providing services to an employer or from self-employment, even if only through a part-time job.

However, even if your child earns less than this threshold, it may be a good idea to file a tax return for them. They could be eligible for a tax refund if they had income tax withheld form their paycheck. Regardless of the amount of income your dependent child earns, their Standard Deduction is typically different than yours. It is limited by the larger of $1,350 in 2025 or their earned income plus $450, with the maximum equal to the Standard Deduction for single taxpayers which is $15,750 for 2025.

TurboTax Tip:

“When deciding whether to have your child file a separate tax return or elect to include your dependent’s income on your return, try to see the entire picture. Consider factors such as how much tax would the additional income add to your return vs. how much tax would the dependent have to pay, how much preparing an additional return would cost, and any other factors that may prevent you from including their income on your return.” – Miguel Burgos, CPA, Washington

Your child’s investment income

The rules for filing a tax return change when your dependent child receives income from sources other than employment, such as investment income including interest and dividend payments. When the 2025 total of this type of income exceeds $1,350, then a return needs to be filed for your dependent child.

If your dependent child’s unearned income only consists of interest and dividends, then you can elect to include it on your own return and combine it with your income. Do this by completing IRS Form 8814 and attaching it to your personal tax return (TurboTax will do this for you).

However, depending on the level of your income, making this election may result in higher income tax than if you prepare a separate return for your child. This is because it could push you into a higher tax bracket, where higher tax rates may apply. If you decide to prepare a separate return for your child, the Standard Deduction rules detailed above will apply.

Filing your child’s tax return

The responsibility for filing a dependent child’s tax return rests with the child if they are capable of doing so. If they are not old enough to understand how to prepare a tax return, then it becomes the parent’s responsibility to file it for them or to include the income on the parent’s tax return.

If you do prepare the return, you can also sign it for your child if they are unable to do so. However, you need to include your own signature and a notation that you are signing for the child as the parent or guardian. Signing your child’s return also allows you to discuss it with the IRS in the event there are questions later on.

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