The Child Tax Credit (CTC) is one of the most widely claimed tax breaks in America, benefiting roughly 48 million families each year. For the 2026 tax year, the credit remains at $2,000 per qualifying child under age 17, with up to $1,700 available as a refund even if you owe no federal income tax. Combined with other family-focused credits like the Earned Income Tax Credit and the Child and Dependent Care Credit, the CTC can significantly reduce what you owe — or increase your refund by thousands of dollars.
Understanding the eligibility rules, income phase-outs, and refundable vs. nonrefundable distinction is essential to claiming the full amount you’re entitled to. Here’s everything you need to know.
2026 Child Tax Credit Summary
| Feature | Amount |
|---|---|
| Maximum credit per child | $2,000 |
| Refundable portion (ACTC) | Up to $1,700 |
| Child age requirement | Under 17 |
| Phase-out (single/HoH) | $200,000 |
| Phase-out (married filing jointly) | $400,000 |
| Phase-out rate | $50 per $1,000 over threshold |
The CTC is a tax credit, not a deduction — meaning it reduces your tax bill dollar-for-dollar. A $2,000 credit saves you $2,000 in taxes, which is far more valuable than a $2,000 deduction (which only reduces your taxable income). For a family in the 22% tax bracket, a $2,000 deduction saves $440, but a $2,000 credit saves the full $2,000. That distinction makes the CTC one of the most impactful provisions in the tax code for families with children.
Who Qualifies
Child Requirements
Your child must:
- Be under age 17 at the end of the tax year
- Be your child, stepchild, foster child, sibling, half-sibling, or a descendant of any of these
- Have a valid Social Security number (an ITIN does not qualify for the CTC — only for the Credit for Other Dependents)
- Be a U.S. citizen, national, or resident alien
- Live with you for more than half the year
- Not provide more than half of their own support
- Be claimed as a dependent on your return
Parent/Taxpayer Requirements
- File a tax return (Form 1040)
- Have earned income above $2,500 (for the refundable portion)
- Have modified AGI below the phase-out thresholds
The SSN requirement is strict: the child must have a Social Security number issued before the due date of your return (including extensions). If your child was born in December and you haven’t yet received their SSN, you can file for an extension to give yourself time. Children with ITINs instead of SSNs don’t qualify for the CTC but may qualify for the $500 Credit for Other Dependents.
Your filing status determines which income threshold applies. Head of Household filers use the $200,000 threshold (same as single), but this status often provides a larger standard deduction and more favorable tax brackets, so it’s worth checking whether you qualify.
How the Phase-Out Works
| Filing Status | Full Credit If Income Below | Credit Reaches $0 |
|---|---|---|
| Single / Head of Household | $200,000 | $240,000 (1 child) |
| Married Filing Jointly | $400,000 | $440,000 (1 child) |
The credit decreases by $50 for every $1,000 of income over the threshold. For married couples with 2 children, the full $4,000 credit phases out completely at $480,000.
The phase-out is unusually generous compared to most tax credits. The Earned Income Tax Credit begins phasing out at around $21,000–$26,000 for single filers, and many education credits phase out well below $100,000. The CTC’s $200,000/$400,000 thresholds mean the vast majority of American families receive the full credit — roughly 90% of families with children qualify for at least a partial credit.
The phase-out is based on your modified adjusted gross income (MAGI), which for most taxpayers is the same as your AGI on Line 11 of Form 1040. Contributing to a traditional 401(k), HSA, or other pre-tax accounts lowers your AGI, which can help families near the phase-out threshold preserve more of their credit.
Example: Married Couple, 2 Children, AGI of $420,000
- Over the $400,000 threshold by $20,000
- Reduction: $20,000 ÷ $1,000 × $50 = $1,000 reduction
- Maximum credit: $4,000 - $1,000 = $3,000
Example: Single Parent, 1 Child, AGI of $215,000
- Over the $200,000 threshold by $15,000
- Reduction: $15,000 ÷ $1,000 × $50 = $750 reduction
- Credit: $2,000 - $750 = $1,250
Refundable vs. Nonrefundable
The CTC has two components, and understanding the difference can mean thousands of dollars for lower-income families:
| Component | Amount | What It Means |
|---|---|---|
| Nonrefundable CTC | Up to $2,000/child | Reduces your tax to $0 but no further |
| Additional Child Tax Credit (ACTC) | Up to $1,700/child | Can be received as a refund even if you owe $0 |
The refundable portion (ACTC) is 15% of your earned income above $2,500, up to the $1,700 cap.
Why this matters: If your federal income tax liability is $0, a nonrefundable credit can’t help you — it has nothing to reduce. But the refundable ACTC can still put money in your pocket. This is critical for families earning under $30,000 who often owe little or no federal income tax after the standard deduction.
Example: A family with $25,000 income and 2 children:
- Tax liability: likely $0 (income is below the standard deduction for their filing status)
- ACTC: 15% × ($25,000 - $2,500) = $3,375 (capped at $1,700 × 2 = $3,400)
- Refund: $3,375
Example: A family with $10,000 income and 1 child:
- ACTC: 15% × ($10,000 - $2,500) = $1,125
- Refund: $1,125 (well below the $1,700 cap, so income is the limiting factor)
The $2,500 earned income floor means families with very low income receive a smaller refundable credit. If your earned income is $2,500 or below, the ACTC is $0. This is one area where the Earned Income Tax Credit can be more beneficial — the EITC is available starting at lower income levels and can provide up to $7,830 for families with three or more children.
Note: The IRS may delay refunds for returns claiming the ACTC or EITC until mid-February under the PATH Act. See our tax refund timeline for expected dates.
Credit for Other Dependents
Dependents who don’t qualify for the CTC — children 17 and older, aging parents, adult dependents with disabilities — may qualify for a $500 nonrefundable Credit for Other Dependents (ODC). This credit phases out at the same income thresholds ($200,000 single, $400,000 MFJ).
Key differences from the CTC:
- Not refundable — it can only reduce your tax liability to $0
- The dependent can have an ITIN (doesn’t need an SSN)
- The dependent must be a U.S. citizen, national, or resident alien
- You claim it on the same Schedule 8812
This is commonly used for families supporting a college-age child (17–23) or elderly parents. If your child turns 17 during the tax year and no longer qualifies for the $2,000 CTC, they automatically shift to the $500 ODC — a $1,500 drop-off that catches many parents by surprise.
CTC History and Changes
| Year | Max Credit | Refundable? | Age Limit |
|---|---|---|---|
| 2017 | $1,000 | Partially ($1,000) | Under 17 |
| 2018 | $2,000 | Partially ($1,400) | Under 17 |
| 2021 | $3,600/$3,000 | Fully | Under 18 |
| 2022–2025 | $2,000 | Partially ($1,600–$1,700) | Under 17 |
| 2026 | $2,000 | Partially ($1,700) | Under 17 |
The 2021 expansion under the American Rescue Plan temporarily increased the credit to $3,600 for children under 6 and $3,000 for children 6–17, made it fully refundable, raised the age limit to 18, and introduced advance monthly payments of $250–$300 per child. That expansion expired after 2021, and the credit reverted to its Tax Cuts and Jobs Act (TCJA) structure.
What happens after 2025: The current $2,000 CTC was established by the TCJA, which is set to expire after 2025. If Congress doesn’t extend it, the credit would revert to the pre-2018 rules: $1,000 per child with a lower phase-out threshold ($75,000 single, $110,000 MFJ). Various proposals in Congress would expand the credit further, but as of early 2026 the $2,000 amount remains in effect. Check back for updates as tax legislation develops.
How to Claim the Child Tax Credit
- File a tax return (Form 1040) — even if your income is low enough that you’re not required to file, you should file to claim the refundable ACTC
- Complete Schedule 8812 (Credits for Qualifying Children and Other Dependents)
- List each qualifying child with their SSN on your 1040
- The credit is automatically calculated based on your income and number of children
The CTC is claimed as part of your regular tax return — no separate application is needed. Most tax software handles Schedule 8812 automatically after you enter your dependents’ information. If you’re filing for free, IRS Free File and other free options fully support the CTC.
Common mistakes to avoid:
- Forgetting to enter the child’s SSN — the credit will be denied without it
- Both parents claiming the same child — in a divorce or separation, only the custodial parent (the parent the child lived with for more than half the year) can claim the CTC. The noncustodial parent can claim the child only if the custodial parent releases the claim using Form 8332
- Missing the age cutoff — your child must be under 17 on December 31 of the tax year. If your child turned 17 during 2026, they don’t qualify for the CTC (but do qualify for the $500 ODC)
- Not filing because “I don’t owe taxes” — if you have earned income over $2,500, you may be entitled to a refund through the ACTC even if your income is too low to owe federal tax
Combining CTC With Other Credits
Many families qualify for multiple credits simultaneously. These credits are not mutually exclusive — each has its own eligibility rules and can be claimed together.
| Credit | Annual Value | Can Combine with CTC |
|---|---|---|
| Child Tax Credit | $2,000/child | — |
| EITC | Up to $7,830 | Yes |
| Child and Dependent Care Credit | Up to $2,100 | Yes |
| American Opportunity Credit | Up to $2,500/student | Yes (different age range) |
| 529 plan tax benefits | Varies by state | Yes |
A family with 2 children under 17, moderate income, and childcare expenses could receive $4,000 (CTC) + $5,000+ (EITC) + $2,100 (CDCC) = $11,000+ in combined credits.
Child and Dependent Care Credit: If you pay for daycare, preschool, after-school care, or a babysitter so that you (and your spouse) can work, you may qualify for a credit of 20–35% of up to $3,000 in expenses ($6,000 for two or more children). This credit uses different qualifying rules than the CTC — the child must be under 13 (not under 17), and both parents must have earned income.
Earned Income Tax Credit: The EITC is specifically designed for low-to-moderate-income workers and is fully refundable. Families with three or more qualifying children can receive up to $7,830. Unlike the CTC, the EITC has much lower income thresholds and investment income limits, but the two credits can be claimed together. For many families earning under $50,000, the EITC is worth more than the CTC.
Education credits: The American Opportunity Credit provides up to $2,500 per student for the first four years of college, but it’s for students — not young children. If you have both young children (CTC-eligible) and a college-age child, you can claim the CTC for the younger ones and the AOTC for the college student. If your child is 17 and starting college, they’d qualify for the $500 ODC and potentially the AOTC in the same year. See our 529 plan guide for tax-advantaged ways to save for future education costs.
Use the tax bracket calculator to estimate your total tax liability, and review all available tax deductions and credits to make sure you’re not leaving money on the table.
Related: Earned Income Tax Credit | Tax Deductions and Credits | Federal Income Tax Brackets | Filing Status Guide | Standard Deduction | Tax Refund Timeline