What Is the Child Tax Credit and Who Can Claim It?

Key takeaways

For the 2025 tax year, the Child Tax Credit can reach $2,200 for each child who qualifies, and it falls by $50 for every $1,000 of income above $200,000, or $400,000 on a joint return.
A qualifying child must be younger than 17 when the tax year ends, live with you more than half the year, be claimed as your dependent, and have a Social Security number valid for employment.
The main credit is non-refundable and can cut your tax to zero; the refundable Additional Child Tax Credit can send back as much as $1,700 per child if you have at least $2,500 in earned income.
If you claim the Additional Child Tax Credit or the Earned Income Tax Credit, the IRS cannot issue any part of your refund before mid-February.
Dependents who do not qualify for the child credit may still qualify for the smaller, non-refundable Credit for Other Dependents.

The Child Tax Credit is one of the largest tax breaks available to households raising children, and it works differently from many people expect. It reduces your federal income tax directly, and part of it can reach you as a refund even if you owe nothing. This explainer covers who qualifies, how income changes the amount, and what happens when the credit is bigger than the bill.

What a Tax Credit Is (and Why It Beats a Deduction)

A tax credit cuts the tax you owe by its full amount, dollar for dollar. A deduction works differently: it shrinks the income you are taxed on, so its actual value depends on your tax bracket. A $2,200 credit is worth $2,200 off your bill. A $2,200 deduction is worth a fraction of that.

The Child Tax Credit is largely non-refundable, which means it can reduce your tax to zero but no further, and any portion you cannot use disappears. A refundable credit works the other way: if the credit is larger than your tax bill, the difference comes back to you as a refund. The Child Tax Credit has a refundable piece, covered below, and that is what reaches families who owe little or no federal income tax.

The Child Tax Credit at a Glance

For the 2025 tax year, the credit can reach $2,200 for each child who qualifies, an amount raised by tax legislation and adjusted for inflation beginning with the 2026 tax year.

Feature	Rule for the 2025 tax year
Maximum credit	As much as $2,200 for each qualifying child
Child’s age	Younger than 17 when the tax year ends
Income for the full credit	$200,000 or less, or $400,000 or less on a joint return
Refundable portion	Additional Child Tax Credit, as much as $1,700 for each qualifying child
Earned income needed for the refundable part	At least $2,500 for the year

If you remember bigger numbers, that was the 2021 expansion. For that single year, Congress raised the credit to $3,600 for children under 6 and $3,000 for children under 18, made it fully refundable, and sent part of it out in monthly payments to 39 million households. That expansion expired at the end of 2021, and the credit returned to its earlier structure.

Who Counts as a Qualifying Child

For the 2025 tax year, a child generally must meet all of these tests:

Age. The child has not had a 17th birthday by the last day of the tax year. A child who turns 17 during the year does not qualify for that year.
Relationship. The child must be closely related to you: a son or daughter, a stepchild, a sibling, step-sibling, or half-sibling, a child placed with you by an authorized placement agency or a court, or a descendant of any of these, such as a grandchild, a niece, or a nephew. An adopted child counts, including a child placed with you for legal adoption before the adoption is final.
Support. The child did not pay for over half of the costs of supporting himself or herself during the year.
Residence. The child lived in your home for over half of the year.
Dependency. The child is claimed as a dependent on your return.
Filing status. The child did not file a joint return, unless the return was filed for the sole purpose of getting back income taxes that were withheld from pay or paid through estimated payments.

Each child also needs a Social Security number valid for employment in the United States, issued before the due date of your return including extensions. You and your spouse, if you file jointly, need valid numbers as well. The child generally must be a U.S. citizen, U.S. national, or U.S. resident alien.

A few situations come up often. A child who was born alive and died during the year is treated as having lived in your home for over half the year if your home was the child’s main home while the child was alive. Parents in that situation can enter the word DIED in place of a Social Security number in the dependents section of Form 1040 and attach a copy of a birth certificate, death certificate, or hospital record showing a live birth. When a child could qualify for more than one adult, only one person can claim the child. Families can decide between themselves who will claim, and IRS tiebreaker rules apply if they cannot agree. There are also exceptions to the residency test for children of divorced or separated parents.

Income Limits and the Phase-Out, With Examples

You qualify for the full credit for each qualifying child if your annual income is not more than $200,000, or $400,000 if you file a joint return. Above those thresholds, the credit shrinks through a phase-out, which means it is reduced gradually as income rises rather than cut off all at once. For every $1,000 of income above the threshold, the credit falls by $50.

The income measure is your modified adjusted gross income, often written as MAGI. It starts from your adjusted gross income, the income figure your return calculates before itemized or standard deductions, with certain amounts added back.

Here is what that looks like in practice. These figures are illustrations:

A single parent with one child and MAGI of $205,000 sits $5,000 over the threshold. At $50 per $1,000, the credit drops by $250, from $2,200 to $1,950.
A married couple with two children and MAGI of $420,000 is $20,000 over. The credit falls by $1,000, from $4,400 to $3,400.

At incomes far above the thresholds, the credit can shrink to nothing, which is why parents and guardians with higher incomes sometimes find they qualify for only a partial credit.

What Happens If the Credit Is More Than You Owe

Because the main credit is non-refundable, it can only take your tax bill to zero. Say you owe $800 in federal income tax and claim $2,200 for one child. The credit wipes out the $800, and $1,400 goes unused.

That is where the Additional Child Tax Credit, or ACTC, comes in. It is the refundable portion of the same credit, not an extra amount stacked on top. If you have earned income of at least $2,500 for the year, you may receive as much as $1,700 for each qualifying child as a refund, depending on your income. In the example above, the unused $1,400 could come back to you as part of your refund.

One timing rule catches families off guard. If you claim the Additional Child Tax Credit or the Earned Income Tax Credit, the IRS cannot issue your refund before mid-February, and the hold applies to your entire refund, including any portion unrelated to those credits. The Where’s My Refund tool, updated once a day, is the best way to check your status.

Be aware: Refunds that include the Additional Child Tax Credit or the Earned Income Tax Credit cannot be issued before mid-February. Check Where’s My Refund on IRS.gov in mid-to-late February for a personalized date.

If a refundable credit makes your refund large year after year, that can mean too much is being withheld from each paycheck. Our withholding timeline shows when a midyear check makes sense.

Claiming It on Your Return: What Forms Ask For

Claiming the credit starts in the dependents section of Form 1040, where you list each dependent’s name, relationship, and Social Security number. If the credit reduces your tax to zero and you are claiming the refundable part, you complete Schedule 8812 as well. The Form 1040 instructions include a Child Tax Credit Worksheet that walks through whether you can claim the credit and how much of it you can use.

The IRS also offers an Interactive Tax Assistant titled “Is My Child a Qualifying Child for the Child Tax Credit?” It asks a series of questions and tells you whether a particular child qualifies. If the vocabulary on these forms is unfamiliar, our guide to tax form and refund terms explains the words you will see.

Don’t Confuse It With the Child and Dependent Care Credit

Two credits sound alike but pay for different things. The Child and Dependent Care Credit covers money you paid someone to care for a child so that you, or you and your spouse, could work or look for work. The qualifying person is generally a dependent under 13, or a spouse or dependent of any age who is incapable of self-care and lives in your home for over half the year. Beginning with tax year 2026, that credit can cover 50% of qualifying care expenses, worth as much as $1,500 for one qualifying person or $3,000 for two or more. You claim it on Form 2441, which asks you to identify the care provider. A family can qualify for both credits in the same year, since they respond to different expenses.

Common Reasons the Credit Gets Reduced or Denied

Most reductions trace back to one of the qualifying tests:

The child had a 17th birthday before the tax year closed.
Income crossed the phase-out threshold.
The child covered over half of the costs of his or her own support.
The child spent half the year or less in your home.
A Social Security number was missing, invalid, or issued after the return’s due date.
More than one person tried to claim the same child.
The child filed a joint return that was not solely for a refund.

A dependent who does not qualify for the Child Tax Credit may still qualify for the Credit for Other Dependents, a smaller non-refundable credit for dependents who do not meet the child tests, such as a 17- or 18-year-old. Rules for this credit have changed several times since it was created, and the inflation adjustment beginning with the 2026 tax year can move the amounts again. Check the current rules on IRS.gov, or ask a tax professional to review your specific situation before you file.

Common questions

Q: How much is the Child Tax Credit worth?

A: For the 2025 tax year, as much as $2,200 for each qualifying child. The amount is adjusted for inflation beginning with the 2026 tax year, and it shrinks by $50 for every $1,000 of modified adjusted gross income above the threshold for your filing status.

Q: Can I get the credit back as a refund if I owe no tax?

A: The main credit can only reduce your tax to zero. If you have earned income of at least $2,500, the refundable Additional Child Tax Credit can send back as much as $1,700 per child, depending on your income.

Q: My child turns 17 in December. Can I still claim the credit?

A: No. A child must still be 16 or younger on the final day of the tax year to qualify. A dependent who is 17 or 18 might qualify for the smaller, non-refundable Credit for Other Dependents instead.

Q: Why is my refund delayed if I claim this credit?

A: Refunds that include the Additional Child Tax Credit or the Earned Income Tax Credit cannot be issued before mid-February. That hold applies to the entire refund, even the portion not tied to those credits.

This article is for general information and education only and isn’t personal financial, tax or legal advice. Rates, fees and rules change, so check current details with the provider or an official source before making decisions.