Can a 16-Year-Old File Taxes: Income, Deadlines, and Roth IRA

Yes, a 16-year-old can file taxes, and in many cases must. Whether a 16-year-old files taxes depends on how much they earned, what type of income it was, and whether an employer withheld any tax that could come back as a refund. For the 2025 tax year (the return filed in 2026), a teen claimed as a dependent must file if earned income tops $15,750, unearned income tops $1,350, or net self-employment earnings hit $400. Below those numbers, filing is optional, but it’s often the only way to recover tax that was withheld from paychecks.

Income That Requires a 16-Year-Old to File

The IRS sets separate filing thresholds for dependents based on the kind of income involved. For 2025, a single dependent who isn’t 65 or older and isn’t blind must file if any one of these is true:

  • Earned income (wages, salary, tips) is more than $15,750.
  • Unearned income (interest, dividends, capital gains) is more than $1,350.
  • Gross income is more than the larger of $1,350 or earned income plus $450. This catches teens who have a mix of job and investment income that individually stays under the other limits.

These are the standard dependent filing thresholds published by the IRS.1Internal Revenue Service. Publication 501 (2025), Dependents, Standard Deduction, and Filing Information The earned-income figure matches the single-filer standard deduction, so a teen whose only income is a paycheck under $15,750 won’t owe federal income tax and isn’t required to file.

One rule sits outside the dollar thresholds: net self-employment earnings of $400 or more require a return, no matter how small the total picture looks.2Internal Revenue Service. Check if You Need to File a Tax Return That much lower bar exists because self-employment brings Social Security and Medicare taxes into play, not just income tax.

When Filing Is Worth It Even Without a Requirement

A teen who earned $3,000 at a summer job and had federal income tax withheld from every check owes nothing on that money, since it’s well under the standard deduction. But the only way to get the withheld tax back is to file a return and claim the refund.2Internal Revenue Service. Check if You Need to File a Tax Return Plenty of teens skip this and leave money with the IRS.

Check the last pay stub of the year or the W-2. If the “Federal income tax withheld” box shows anything at all, filing is worth the hour it takes. Filing also builds a documented tax history that can matter later for financial aid, a car loan, or an apartment lease. There’s no penalty for filing a return you weren’t required to file, and the window to claim a refund closes after three years.

How Being Claimed as a Dependent Changes the Math

Most 16-year-olds are claimed as dependents on a parent’s return, and that status shrinks the standard deduction on the teen’s own return. A regular single filer gets a $15,750 standard deduction for 2025. A dependent’s standard deduction is the greater of $1,350 or earned income plus $450, capped at $15,750.1Internal Revenue Service. Publication 501 (2025), Dependents, Standard Deduction, and Filing Information

So a teen with $5,000 in summer wages gets a $5,450 standard deduction. A teen with no job but $2,000 in interest gets only the $1,350 floor. The dependent also has to check the box on Form 1040 indicating that someone else can claim them.

Self-Employment Income Comes With Extra Tax

A 16-year-old who makes money babysitting, mowing lawns, tutoring, selling online, or doing any other freelance work is self-employed in the eyes of the IRS. Net earnings of $400 or more mean a return is required, and self-employment tax is owed on top of any income tax.3Internal Revenue Service. Topic No. 554, Self-Employment Tax

The self-employment tax rate is 15.3%: 12.4% for Social Security and 2.9% for Medicare.4Internal Revenue Service. Self-Employment Tax (Social Security and Medicare Taxes) With a regular W-2 job, the employer covers half of that. With freelance work, the teen owes both halves, calculated on Schedule SE. A teen who nets $1,000 from freelance work would owe roughly $141 in self-employment tax.

One thing that trips people up: a client who pays a freelancer less than $600 doesn’t have to send a 1099-NEC, but the income is still taxable and still has to be reported. The $600 threshold governs the payer’s paperwork, not the earner’s tax bill.

The Kiddie Tax on Investment Income

The kiddie tax prevents parents from shifting investment income to a child to get a lower bracket. It applies to children under 18 with meaningful unearned income and lives in Section 1(g) of the Internal Revenue Code.5Office of the Law Revision Counsel. 26 USC 1 – Tax Imposed For 2025, the structure is three tiers:

  • The first $1,350 of unearned income is not taxed.
  • The next $1,350 (up to $2,700) is taxed at the child’s own rate, typically 10%.
  • Anything above $2,700 is taxed at the parent’s marginal rate.

When unearned income crosses $2,700, the teen has to file Form 8615 to figure the tax at the parent’s rate.6Internal Revenue Service. Instructions for Form 8615 The child’s return can’t be finalized until the parent’s taxable income is known.

Parents have an alternative for children whose only income is interest, dividends, and capital gains: they can report the child’s investment income on their own return with Form 8814 if the child’s 2025 gross income is under $13,500, no estimated payments were made for the child, and no federal tax was withheld from that income.7Internal Revenue Service. Instructions for Form 8814 It simplifies paperwork but raises the parent’s adjusted gross income, which can shrink other tax benefits. For small amounts, the convenience usually wins. For larger balances, run it both ways.

What to Gather Before Filing

Free Ways to File

A teen’s return is usually simple enough that paying for software isn’t necessary. Three no-cost paths:

  • IRS Free File guided software walks the filer through the return step by step. It’s available to taxpayers with adjusted gross income of $89,000 or less, though individual providers may add age or state rules.12Internal Revenue Service. 2026 Tax Filing Season Opens With Several Free Filing Options Available
  • Free File Fillable Forms are open to anyone regardless of income. They’re electronic versions of paper forms with basic math built in, but no hand-holding.13Internal Revenue Service. Free File Fillable Forms
  • Paper Form 1040 mailed in. Slowest option; refunds take considerably longer than e-file.14Internal Revenue Service. File Your Tax Return

Refunds from e-filed returns with direct deposit usually arrive within a few weeks. Volunteer Income Tax Assistance (VITA) sites also prepare simple returns for free during tax season.

Deadlines and What Late Filing Costs

The 2025 federal return is due April 15, 2026. A teen (or a parent helping) can request an automatic six-month extension to October 15, 2026, but an extension only extends the filing deadline, not the payment deadline. Any tax owed is still due April 15.15Taxpayer Advocate Service. Your Tax To-Do List: Important Tax Dates for 2026

If a teen owes tax and files late without an extension, the failure-to-file penalty is 5% of the unpaid tax per month, up to 25%. Returns more than 60 days late face a minimum penalty of $525 or 100% of the unpaid tax, whichever is less.16Internal Revenue Service. Failure to File Penalty A separate failure-to-pay penalty runs 0.5% per month on any unpaid balance, also capped at 25%.17Internal Revenue Service. Failure to Pay Penalty

These penalties only apply when tax is owed. A teen due a refund pays no penalty for filing late. But the refund itself has a three-year expiration; wait longer and the money is gone.

State Taxes Are Separate

All of the above is federal. Most states with an income tax set their own filing thresholds for dependents, often lower than the federal ones, so a teen who doesn’t owe a federal return may still owe a state one. Check the state tax agency directly. Nine states don’t have an income tax at all, so no state return is required in those.

An Opportunity: Custodial Roth IRA

A 16-year-old with earned income can contribute to a Roth IRA, and starting that young is powerful. A dollar invested at 16 has roughly 50 years to grow before typical retirement age, all tax-free inside a Roth.

Because minors can’t open brokerage accounts on their own, a parent or guardian sets up a custodial Roth IRA for the teen. The teen needs a Social Security number and documented earned income. The 2025 contribution limit is $7,000 or total earned income, whichever is less. For 2026 the limit rises to $7,500.18Internal Revenue Service. Retirement Topics – IRA Contribution Limits

The money doesn’t have to come from the teen’s own bank account. A parent or grandparent can fund the account as long as the teen has at least that much earned income to back it up. A teen who earned $3,000 over the summer could get a $3,000 Roth contribution from a parent and keep their own paycheck for spending. For self-employed teens without a W-2, keeping a written record of the work, dates, and amounts is what proves the income qualifies.