Yes, you may need to file a tax return for your minor child, and the answer turns on how much they made and where it came from. For the 2026 tax year, a dependent child generally has to file if earned income tops $16,100, if unearned income tops $1,350, or if net self-employment earnings reach $400. Even when none of those triggers apply, filing can still be worth doing to get withheld taxes refunded.
Income Thresholds That Require a Filing
The IRS uses separate thresholds depending on what kind of money your child brought in. For 2026, a single dependent child who is not blind and not 65 or older must file if any of the following is true:
- Earned income (wages, tips, or other pay for work) exceeded $16,100.
- Unearned income (interest, dividends, capital gains, or similar) exceeded $1,350.
- Gross income from both types combined exceeded the larger of $1,350, or earned income up to $15,650 plus $450.
- Net self-employment earnings were $400 or more, regardless of any other income.
The $16,100 earned-income figure matches the 2026 standard deduction for single filers, which is the most a dependent can claim.1Internal Revenue Service. IRS Releases Tax Inflation Adjustments for Tax Year 2026 A dependent’s standard deduction is limited to the greater of $1,350 or earned income plus $450, capped at that $16,100.2Internal Revenue Service. Revenue Procedure 2025-32 That formula explains why the unearned-income threshold sits so much lower. A child with no job gets only the $1,350 floor as a deduction.
Why the Type of Income Matters
Earned income is money your child received for doing work: wages from a summer job, tips from a restaurant shift, net profit from self-employment. It’s taxed at the child’s own rate, and for most working minors, the standard deduction wipes out any bill.
Unearned income is different. Interest on a savings account, stock dividends, capital gain distributions from mutual funds, rents, and royalties all fall into this category, and the IRS treats them less favorably for minors. Once unearned income crosses a set level, part of it gets taxed at the parent’s marginal rate under the kiddie tax rules.
For 2026, the kiddie tax breaks down in three layers. The first $1,350 of unearned income is covered by the dependent’s standard deduction and is effectively tax-free. The next $1,350 is taxed at the child’s own rate, usually 10%. Everything above $2,700 is taxed at the parent’s rate.3Internal Revenue Service. Topic No. 553, Tax on a Child’s Investment and Other Unearned Income
The kiddie tax applies to a child who was under 18 at year’s end; a child who was 18 and didn’t have earned income exceeding half of their own support; or a full-time student aged 19 through 23 whose earned income didn’t exceed half of their support.3Internal Revenue Service. Topic No. 553, Tax on a Child’s Investment and Other Unearned Income When it applies, the child attaches Form 8615 to figure the tax at the parent’s rate.4Internal Revenue Service. Instructions for Form 8615 (2025)
Gig Work, YouTube, and the $400 Trap
The self-employment threshold catches many families by surprise. It applies regardless of the child’s age and exists because self-employment brings Social Security and Medicare tax on top of income tax.5Internal Revenue Service. Self-Employment Tax (Social Security and Medicare Taxes) A teenager mowing lawns, selling crafts online, streaming on Twitch, or earning ad revenue from a YouTube channel can owe self-employment tax even if total income is nowhere near $16,100.
Platform income counts. When your child is creating the content or running the operation, earnings from YouTube, sponsored social posts, streaming, or Etsy are self-employment income reported on Schedule C, with self-employment tax calculated on Schedule SE. Parents sometimes treat this as hobby money, but the IRS looks at whether the activity produces profit, and platform payments almost always do.
When Filing Voluntarily Pays Off
Sometimes filing makes sense even when nothing requires it. The classic case is withholding. If your teenager worked a summer job and the employer took federal income tax out of each paycheck, the only way to recover that money is to file a return and claim a refund. Skip the return and the IRS keeps the withholding.
This happens all the time with part-time and seasonal work. The employer withholds based on the W-4, without knowing whether the child will actually owe anything for the year. A child who earned $4,000 and had $300 withheld almost certainly owes no tax, but that $300 doesn’t come back on its own.
Reporting the Child’s Income on Your Return
When a filing requirement kicks in, you have two paths. The default is a separate return in the child’s name using their Social Security number. The alternative is Form 8814, which lets you fold the child’s income into your own return.
Form 8814 has strict conditions. For 2026, all of the following must be true:
- The child was under 19, or under 24 if a full-time student, at year’s end.
- The child’s only income was interest, dividends, and capital gain distributions.
- Gross income was less than $13,500.2Internal Revenue Service. Revenue Procedure 2025-32
- The child is required to file a return.
- The child is not filing a joint return.
- No estimated tax payments were made for the child.
- No federal income tax was withheld from the child’s income.6Internal Revenue Service. 2025 Instructions for Form 8814
Any earned income takes Form 8814 off the table. So does any withholding, because the parent’s return has no way to claim a refund of tax withheld from the child. And the convenience carries a cost. When you use Form 8814, the child’s investment income above the $1,350 floor gets taxed at your rate from the first dollar. A separate return for the child keeps the first $2,700 in the lower kiddie-tax tiers. For families with meaningful investment income in a child’s name, filing separately for the child often costs less.
Does Filing Affect Claiming Your Child as a Dependent
A common worry: does letting the child file their own return knock them off your return as a dependent? It doesn’t. A child can file and still be claimed by a parent. The child simply checks the box on their Form 1040 indicating that someone else can claim them.7Internal Revenue Service. Dependents
Your eligibility for the Child Tax Credit and the Credit for Other Dependents still turns on the standard qualifying-child tests for relationship, age, residency, and support. The child having a return of their own doesn’t change any of those. Two situations can create trouble. One is a joint return with a spouse, which generally disqualifies the child as your dependent unless the joint filing was only to claim a refund of withheld tax.8Internal Revenue Service. Child Tax Credit The other is the support test: to be your qualifying child, the child cannot have provided more than half of their own support for the year.9Internal Revenue Service. Publication 501 (2025), Dependents, Standard Deduction, and Filing Information A teenager with a part-time job won’t come close. A young adult with substantial income who still lives at home might.
What Happens If You Skip a Required Filing
When a return is required and doesn’t get filed, the IRS treats it like any other missed filing. The failure-to-file penalty runs 5% of the unpaid tax per month, up to 25%. If a return is more than 60 days late, the minimum penalty is $525 or 100% of the unpaid tax, whichever is less.10Internal Revenue Service. Failure to File Penalty
Interest accrues on unpaid balances too. For the first quarter of 2026, the individual underpayment rate is 7% per year, compounded daily.11Internal Revenue Service. Interest Rates Remain the Same for the First Quarter of 2026 A separate failure-to-pay penalty of 0.5% per month runs alongside it. Age isn’t a defense. Amounts owed by most children are small, but percentage-based penalties can consume a modest tax bill fast. If you find a missed year, file as soon as you can; penalties stop accruing the day the IRS receives the return.
State Returns
The federal answer isn’t the whole answer. Most states with an income tax set their own filing thresholds for dependents, and those don’t always match the federal numbers. Some require a return for any income above a small exemption; others track the federal standard deduction more closely; a few have no income tax at all. Check your state tax agency’s rules separately before deciding your child is done for the year.