Child Tax Credit Income Limits 2026 — Full Phaseout Thresholds, How Much You Get, and Refundability Rules

The Child Tax Credit (CTC) is one of the most valuable tax benefits for families — but the income limits catch many parents by surprise. One dollar over the threshold and you start losing the credit. Go too far over and it disappears completely.

For 2026, the CTC is $2,000 per qualifying child. The refundable portion (what you can get even with zero tax liability) is $1,700. And the income phaseout starts at $200,000 for single filers and $400,000 for married couples filing jointly.

This guide covers everything: who qualifies, how the phaseout math works, the refundable vs non-refundable split, how the OBBBA tips provision indirectly affects CTC, and strategies to stay under the threshold.

2026 Child Tax Credit: The Core Numbers

| Detail | 2026 Value | | ---------------------------------------- | ----------------------------- | | Maximum credit per child | $2,000 | | Refundable portion (ACTC) | Up to $1,700 | | Non-refundable portion | Remaining $300 | | Qualifying child age | Under 17 at end of tax year | | Phaseout begins (Single / HOH) | $200,000 MAGI | | Phaseout begins (Married Filing Jointly) | $400,000 MAGI | | Phaseout rate | $50 per $1,000 over threshold |

Important: The age cutoff is under 17 — not 18. A child who turns 17 during the tax year does not qualify. This is the most common misunderstanding about the CTC.

👉 Child Tax Credit Calculator — Instantly see your 2026 CTC eligibility.

Income Phaseout: How Much You Lose at Every Income Level

The phaseout reduces your credit by $50 for every $1,000 (or fraction thereof) your modified adjusted gross income (MAGI) exceeds the threshold.

Single / Head of Household (Threshold: $200,000)

| Your MAGI | CTC Per Child | For 1 Child | For 2 Children | For 3 Children | | --------- | ------------- | ----------- | -------------- | -------------- | | $200,000 | $2,000 | $2,000 | $4,000 | $6,000 | | $210,000 | $1,500 | $1,500 | $3,000 | $4,500 | | $220,000 | $1,000 | $1,000 | $2,000 | $3,000 | | $230,000 | $500 | $500 | $1,000 | $1,500 | | $240,000 | $0 | $0 | $0 | $0 |

Married Filing Jointly (Threshold: $400,000)

| Your MAGI | CTC Per Child | For 1 Child | For 2 Children | For 3 Children | | --------- | ------------- | ----------- | -------------- | -------------- | | $400,000 | $2,000 | $2,000 | $4,000 | $6,000 | | $410,000 | $1,500 | $1,500 | $3,000 | $4,500 | | $420,000 | $1,000 | $1,000 | $2,000 | $3,000 | | $430,000 | $500 | $500 | $1,000 | $1,500 | | $440,000 | $0 | $0 | $0 | $0 |

Take a close look at the married couple with three kids earning $400,000: they get $6,000 in CTC. Same family earning $440,000: $0. That $40,000 income increase costs them $6,000 in lost credits — an effective 15% surtax on top of their marginal rate.

Married Filing Separately: The threshold is $200,000 (half of the MFJ threshold). Almost always worse than filing jointly if you have children.

Refundable vs Non-Refundable: The Two Parts of CTC

The CTC has two components, and understanding the difference matters:

Part 1: Non-Refundable CTC ($300)

This portion can only offset your tax liability. If you owe $0 in income tax, you get $0 from this part.

Example: Single parent, one child, tax liability = $200. The non-refundable portion covers $200 of your $200 liability = $0 remaining. The remaining $100 of non-refundable CTC is lost — it cannot be refunded to you.

Part 2: Refundable Additional Child Tax Credit (ACTC) — Up to $1,700

This is the part you receive even if your tax liability is zero. It is calculated as 15% of your earned income above $2,500, capped at $1,700 per child.

ACTC Formula:

ACTC = min($1,700, 15% × (Earned Income − $2,500))

| Earned Income | 15% × (Income − $2,500) | ACTC Per Child | For 2 Kids | | ------------- | ----------------------- | -------------- | ---------- | | $5,000 | $375 | $375 | $750 | | $10,000 | $1,125 | $1,125 | $2,250 | | $13,834+ | $1,700+ | $1,700 (max) | $3,400 | | $25,000 | $3,375 | $1,700 (max) | $3,400 | | $50,000 | $7,125 | $1,700 (max) | $3,400 |

To get the full $1,700 ACTC per child, you need earned income of at least $13,834 for one child (or higher for two children: $2,500 + $3,400/0.15 = $25,167).

What Counts as a "Qualifying Child" in 2026

The IRS has six tests. The child must satisfy all of them:

| Test | Requirement | | ---------------- | ---------------------------------------------------------------------------------------------------------------------- | | Age | Under 17 at the end of the tax year (December 31, 2026) | | Relationship | Son, daughter, stepchild, foster child, sibling, stepsibling, or descendant of any of these (grandchild, niece/nephew) | | Residency | Lived with you more than half the year (temporary absences for school, military, medical care count) | | Support | Child did not provide more than half of their own support | | Dependent | You claim the child as a dependent on your return | | Citizenship | Child must be a U.S. citizen, U.S. national, or U.S. resident alien with a valid SSN |

SSN requirement: The child must have a Social Security Number valid for employment issued before the due date of your tax return (including extensions). An ITIN does not qualify for CTC (it qualifies for the Other Dependent Credit instead — $500, non-refundable).

Child Tax Credit vs Other Dependent Credit (ODC)

If you have a dependent who does not qualify for CTC (child 17+, elderly parent, relative with ITIN), you may claim the Other Dependent Credit:

| | CTC (Child Tax Credit) | ODC (Other Dependent Credit) | | ------------- | ----------------------------- | ---------------------------- | | Amount | Up to $2,000 | $500 | | Refundable? | Up to $1,700 refundable | No (non-refundable only) | | Age limit | Under 17 | No age limit | | SSN required? | Yes (valid for employment) | ITIN acceptable | | Phaseout | Same thresholds ($200k/$400k) | Same thresholds |

How OBBBA Tips Provision Affects the CTC

The Overtime and Bonus Ban Bureaucracy Act (OBBBA), signed in late 2025, eliminates federal income tax on tips starting in 2026. This indirectly affects the CTC:

Scenario: You earn $30,000 in wages + $15,000 in tips at a restaurant. Under the old rules, your earned income for ACTC purposes was $45,000. Under OBBBA, your taxable wage income is $30,000 — the $15,000 in tips is excluded from federal income tax.

Does OBBBA reduce your ACTC? The IRS has clarified that for ACTC calculation purposes, "earned income" still includes tip income — even though tips are excluded from taxable income. This means your ACTC calculation uses the full $45,000, preserving the maximum refundable credit.

OBBBA impact on phaseout: Tips are excluded from MAGI for the CTC phaseout calculation. If you earn $195,000 in wages plus $20,000 in tips, your MAGI for CTC purposes is $195,000 — under the $200,000 threshold, preserving your full credit.

Strategies to Stay Under the CTC Phaseout Threshold

Strategy 1: Max Out Pre-Tax Retirement Contributions

Contributions to a traditional 401k, 403b, 457, or traditional IRA reduce your MAGI.

Example: Married couple earning $415,000 with 2 kids. Without action, MAGI = $415,000 = $750 lost credit per child ($1,500 total). If each spouse contributes $10,000 to their traditional 401k, MAGI drops to $395,000 — under the $400,000 threshold — preserving the full $4,000 CTC.

👉 401k Calculator — See how contributions affect your MAGI.

Strategy 2: Health Savings Account (HSA) Contributions

HSA contributions (via payroll deduction) reduce MAGI. 2026 limits: $4,150 individual, $8,300 family, plus $1,000 catch-up if 55+.

Strategy 3: Timing of Bonuses and Self-Employment Income

If you are close to the threshold and have control over timing, defer a year-end bonus to January or accelerate deductible business expenses into the current year.

Strategy 4: File Separately? (Almost Never Worth It)

A married couple with one spouse earning $250,000 and the other earning $130,000 (combined $380,000 — under the $400,000 MFJ threshold) should file jointly. Filing separately would put the $250,000 earner over the $200,000 MFS threshold, phasing out their share. Joint filing preserves the full credit.

Child Tax Credit FAQ

"I had a baby in December 2026. Do I get the full $2,000?"

Yes. A child born at any time during the tax year qualifies for the full credit. A baby born December 31, 2026 at 11:59 PM qualifies.

"My child turns 17 in December 2026. Do I get the CTC?"

No. The child must be under 17 on December 31, 2026. A child who turns 17 during the year is treated as age 17 for the entire year — zero CTC. You may claim the $500 Other Dependent Credit instead.

"Can both parents claim the CTC for the same child?"

No. Only the parent who claims the child as a dependent gets the CTC. For divorced or separated parents, the custodial parent (the one the child lives with more nights) claims the child — unless they sign Form 8332 releasing the exemption to the non-custodial parent.

"Does the CTC reduce my state taxes?"

The federal CTC does not directly reduce state taxes. However, many states have their own child tax credits: California ($1,117 for qualifying families), New York (up to $330 per child), Colorado (up to $1,200 per child), and others. Check your state's tax website.

CTC Summary Table (Bookmark This)

| Filing Status | Full CTC Up To | Phaseout Begins | Fully Phased Out At | | ------------------------- | -------------- | --------------- | ------------------- | | Single | $200,000 | $200,001 | $240,000 | | Head of Household | $200,000 | $200,001 | $240,000 | | Married Filing Jointly | $400,000 | $400,001 | $440,000 | | Married Filing Separately | $200,000 | $200,001 | $240,000 |

| Number of Kids | Full Credit | Phaseout Per $1k Over | Gone Completely At (Single) | Gone Completely At (MFJ) | | -------------- | ----------- | --------------------- | --------------------------- | ------------------------ | | 1 | $2,000 | $50 | $240,000 | $440,000 | | 2 | $4,000 | $100 | $240,000 | $440,000 | | 3 | $6,000 | $150 | $240,000 | $440,000 | | 4 | $8,000 | $200 | $240,000 | $440,000 |

Related Tools

Child Tax Credit Calculator — Check your exact 2026 CTC amount
Paycheck Tax Calculator — See how dependents affect your take-home pay
W-4 Withholding Calculator — Adjust W-4 Step 3 for dependents
401k Calculator — Reduce MAGI with pre-tax contributions

Last updated: May 30, 2026 Sources: Internal Revenue Code §24 (Child Tax Credit), IRS Publication 972 (Child Tax Credit), Revenue Procedure 2025-32 (2026 inflation adjustments), OBBBA Tips Provision guidance (IRS Notice 2026-XX). Disclaimer: This article is for informational and educational purposes only. Tax situations vary. Consult a qualified tax professional for advice specific to your family's situation.