Child Tax Credit 2025: Full Guide

The Child Tax Credit (CTC) is one of the most valuable tax benefits for families. For 2025, the credit remains at $2,000 per qualifying child — a significant reduction from the expanded amounts seen in 2021, but still a meaningful benefit.

2025 Child Tax Credit Overview

Feature	2025 Value
Credit amount per child	$2,000
Refundable portion (ACTC)	Up to $1,700 per child
Non-refundable portion	$300 per child
Phase-out starts (single)	$200,000 MAGI
Phase-out starts (MFJ)	$400,000 MAGI
Phase-out rate	$50 per $1,000 over threshold
Age requirement	Under 17 at end of tax year
SSN required?	Yes, valid SSN required

How the Credit Reduces Your Tax Bill

The Child Tax Credit directly reduces what you owe — it is more valuable than a deduction.

Example: Single parent with 1 child, $60,000 income:

• Federal income tax before credit: ~$5,498
• Child Tax Credit: −$2,000
• Federal tax after credit: $3,498

Example with 3 children:

• Federal income tax: ~$5,498
• Child Tax Credit: −$6,000
• Tax reduced to $0 (non-refundable portion stops here)
• Additional Child Tax Credit (refundable): refund of ~$1,700 × 3 = $5,100 (but only up to the refundable limit and earned income formula)

Additional Child Tax Credit (Refundable Portion)

If the $2,000 credit exceeds your tax liability, you can receive up to $1,700 per child as a refund through the ACTC.

The ACTC is the lesser of:

• $1,700 per qualifying child, OR
• 15% of your earned income above $2,500

Example: $30,000 earned income, 2 children:

• 15% of ($30,000 − $2,500) = 15% × $27,500 = $4,125
• Maximum ACTC for 2 children: $1,700 × 2 = $3,400
• ACTC = min($4,125, $3,400) = $3,400 refund

Phase-Out Calculation

Income (Single)	Credit Per Child	Total for 2 Children
Below $200,000	$2,000	$4,000
$210,000	$1,500	$3,000
$220,000	$1,000	$2,000
$230,000	$500	$1,000
$240,000+	$0	$0

For married couples, the same phase-out applies starting at $400,000 MAGI.

Key Rules for Qualifying Children

1. Age: Must be under 17 on December 31 of the tax year
2. Relationship: Child, stepchild, foster child, sibling, half-sibling, or descendent of any of these
3. Residency: Must have lived with you for more than half the year
4. SSN: Must have a valid Social Security Number issued before the due date of your return (including extensions)
5. Support test: Child cannot provide more than half their own support
6. Dependent: Must be claimed as a dependent on your return

Comparing 2021 Expanded CTC vs 2025

Feature	2021 (Expanded)	2025
Amount per child under 6	$3,600	$2,000
Amount per child 6-16	$3,000	$2,000
Fully refundable?	Yes	No ($1,700 max)
Monthly advance payments?	Yes	No

The 2021 expansion expired, and Congress has not permanently extended the enhanced credit. Watch for legislative activity around potential 2025-2026 CTC changes.

How to Claim the Child Tax Credit

File Form 1040. The CTC is automatically calculated based on information in your return — you do not file a separate form for the basic credit. Schedule 8812 handles the Additional Child Tax Credit (refundable portion).

Use our Paycheck Calculator to estimate your overall tax liability.

See Also

• Standard deduction 2025
• Federal income tax brackets 2025
• How to reduce taxable income