Quick Answer
The child tax credit phases out starting at $200,000 for single filers and $400,000 for married filing jointly in 2026. The credit reduces by $50 for every $1,000 of income above these thresholds, potentially eliminating the full $2,000 per child credit for high earners.
Best Answer
Robert Kim, Tax Return Analyst
Best for families earning between $150,000-$500,000 who need to understand how the phase-out affects their credit
How the child tax credit income phase-out works
The child tax credit phases out based on your modified adjusted gross income (MAGI), which for most people is the same as your adjusted gross income (AGI). The phase-out begins at $200,000 for single filers and $400,000 for married couples filing jointly.
For every $1,000 of income above these thresholds, your child tax credit reduces by $50. This means if you're a single parent earning $210,000, you're $10,000 over the threshold, so your credit reduces by $500 ($10,000 ÷ $1,000 × $50).
Example: How phase-out affects different income levels
Let's look at a married couple with two children (potential $4,000 total credit):
At $400,000 income: Full $4,000 credit (right at the threshold)
At $420,000 income: $3,000 credit ($20,000 over ÷ $1,000 × $50 = $1,000 reduction)
At $440,000 income: $2,000 credit ($40,000 over ÷ $1,000 × $50 = $2,000 reduction)
At $480,000 income: $0 credit (completely phased out)
Key factors that affect your phase-out calculation
What you should do
If you're approaching the phase-out thresholds, consider income timing strategies like deferring bonuses to the following year or maximizing pre-tax retirement contributions to reduce your AGI. Use our return scanner to identify if you're missing other credits that don't phase out as quickly.
Key takeaway: The child tax credit phases out starting at $200,000 (single) or $400,000 (married), reducing by $50 for every $1,000 of excess income until completely eliminated.
Key Takeaway: The child tax credit phases out starting at $200,000 (single) or $400,000 (married), reducing by $50 for every $1,000 of excess income until completely eliminated.
Child tax credit phase-out by filing status and number of children
| Filing Status | Phase-out Starts | Complete Phase-out (1 child) | Complete Phase-out (2 children) |
|---|---|---|---|
| Single | $200,000 | $240,000 | $280,000 |
| Married Filing Jointly | $400,000 | $440,000 | $480,000 |
| Married Filing Separately | $200,000 | $240,000 | $280,000 |
| Head of Household | $200,000 | $240,000 | $280,000 |
More Perspectives
Diana Flores, Tax Credits & Amendments Specialist
Single parents with income above $200,000 who face faster phase-out due to lower thresholds
Why single parents face steeper phase-out challenges
As a single parent, your child tax credit starts phasing out at $200,000 — exactly half the threshold that married couples get. This means you lose the credit much faster relative to your income.
Real impact for single parents
If you're a single parent with one child earning $220,000:
At $240,000 income, you lose the entire credit for one child. Compare this to a married couple who doesn't start losing the credit until $400,000.
Strategy considerations for single parents
Maximize pre-tax deductions: Every dollar in your 401(k), traditional IRA, or HSA reduces your AGI and keeps more of your credit. If you're at $205,000 AGI, contributing $5,000 more to retirement brings you back under the threshold.
Consider head of household status: If you qualify (unmarried with a qualifying dependent living with you more than half the year), you may get better tax brackets even though the child tax credit threshold stays at $200,000.
Time income carefully: If you have control over when you receive bonuses, stock options, or consulting income, spreading it across tax years can help manage phase-out.
Key takeaway: Single parents lose the child tax credit twice as fast as married couples, making income planning and pre-tax contribution strategies especially important.
Key Takeaway: Single parents lose the child tax credit twice as fast as married couples, making income planning and pre-tax contribution strategies especially important.
Diana Flores, Tax Credits & Amendments Specialist
First-time parents who need to understand how the child tax credit works and when it might be reduced
Understanding the child tax credit as a new parent
The child tax credit gives you up to $2,000 per qualifying child under 17, but only if your income stays below certain limits. Think of it as a sliding scale — the more you earn above the threshold, the less credit you get.
When to worry about phase-out (and when not to)
Most new parents don't need to worry about phase-out limits. The thresholds are quite high:
If your household income is below these amounts, you'll get the full credit. The phase-out only affects about 5% of families claiming the child tax credit.
Planning ahead as your income grows
Even if phase-out doesn't affect you now, it's worth understanding for future planning:
Track your AGI trend: If you're earning $150,000 now but expect promotions or career growth, you might approach phase-out territory in a few years.
Consider the additional child tax credit: If your child tax credit exceeds your tax liability, up to $1,700 per child can be refunded to you as the "additional child tax credit" — and this portion isn't subject to the same phase-out rules.
Don't let the tail wag the dog: While it's good to be aware of phase-out, don't turn down promotions or income opportunities just to preserve a tax credit. The additional income usually outweighs the lost credit.
Key takeaway: Most new parents don't need to worry about child tax credit phase-out unless household income exceeds $200,000 (single) or $400,000 (married).
Key Takeaway: Most new parents don't need to worry about child tax credit phase-out unless household income exceeds $200,000 (single) or $400,000 (married).
Sources
- IRS Publication 972 — Child Tax Credit and Credit for Other Dependents
Reviewed by Robert Kim, Tax Return Analyst on February 28, 2026
This content is for educational purposes only and is not a substitute for professional tax advice. Consult a qualified tax professional for advice specific to your situation.