CTC explained
The Child Tax Credit has existed since 1997. Its purpose is straightforward: to reduce the federal tax bill of families raising children, because raising children costs money and the tax code recognizes that cost. For tax year 2025 the credit is worth up to $2,200 for each qualifying child under age 17, and — unlike in its early years — it is now indexed to inflation, so the amount should keep pace with prices rather than sitting frozen for years.
The word to understand first is partially refundable. The CTC itself is nonrefundable: it can reduce your tax bill to zero, but no further. The refundable part has a separate name, the Additional Child Tax Credit (ACTC), and it is capped at $1,700 per child for 2025. So a family with two qualifying children and a $1,000 tax bill does not lose the rest of the credit: $1,000 of CTC wipes out the bill, and up to $3,400 of ACTC can come back as a refund, subject to the earned-income formula explained in how the credit is calculated. A family with no tax bill at all can still receive up to $1,700 per child — but the remaining $500 per child is only usable against tax owed, and goes unused if there is no tax to offset.
- The CTC is partially refundable: $2,200 per child total, up to $1,700 of it refundable as the ACTC.
- The remaining $500 per child needs tax liability to be worth anything.
- The credit is claimed once a year on your return — there are no monthly advance payments now.
- You can claim the CTC and the Earned Income Tax Credit in the same year if you qualify for both.
Who the credit is for
The credit is for taxpayers raising a qualifying child: parents, stepparents, foster parents, grandparents, siblings, and other relatives who meet the IRS tests. The child must be under 17 at the end of the tax year, must have lived with you for more than half the year, and must be your dependent. Income matters too, but the income limits are high — the phase-out does not begin until $200,000 of modified adjusted gross income ($400,000 for married couples filing jointly) — so most families with children are inside the limits and the real questions are about the child's tests and the SSN rule.
Two groups often miss the credit. The first is families who do not file a return because their income is below the filing threshold: if you are not required to file, you can still file to claim the CTC and ACTC, and the IRS encourages exactly that. The second is families who assume the credit is only useful if they owe tax. Because up to $1,700 per child is refundable, a family with little or no tax bill can still receive a substantial refund — provided they have at least $2,500 of earned income.
CTC vs a deduction vs other credits
| Tool | What it does | Can it pay a refund? |
|---|---|---|
| Tax deduction | Lowers the income that gets taxed | No — it can only reduce tax to zero |
| CTC (nonrefundable part) | Lowers the tax you owe, dollar for dollar | No — it stops at zero |
| ACTC (refundable part) | Pays out after tax reaches zero | Yes — up to $1,700 per child |
The CTC is also different from the Earned Income Tax Credit, which is a separate credit for low- to moderate-income workers with its own income limits and its own child tests. You can claim both in the same year if you qualify for both — they do not cancel each other out. The CTC and other benefits guide explains how they sit side by side.
What happened to the monthly payments?
In 2021 only, families received half of an expanded Child Tax Credit in advance, as monthly payments from July to December, with the rest claimed on the return. That advance-payment program ended after 2021 and has not returned. If you read an old article promising monthly CTC checks, it is describing 2021 law. For 2025, the whole credit — CTC and ACTC alike — is claimed once, when you file your return.
The credit has also changed in amount over the years: $2,000 per child for 2024, then $2,200 for 2025, now indexed to inflation. An article quoting $2,000 is out of date for 2025 returns. Always check the figure for the tax year you are filing.
Sources to check: IRS, Child Tax Credit (irs.gov); IRS Taxpayer Advocate Service, Claiming the Child Tax Credit or Credit for Other Dependents.