Common reasons your child tax credit amount dropped

Your child tax credit is lower this year than last because of changes to your income, filing status, number of dependents, or how much you earned from work. The credit also phases out — it shrinks as your income rises above a threshold that depends on whether you file as single, married filing jointly, or head of household. If you received advance payments of the credit in 2021 or 2022, the IRS may have sent you too much, and you owe back the difference when you file.

The credit itself is $2,000 per child under 17, but the amount you actually receive depends on your tax liability and income. A lower credit does not always mean you did something wrong — it often means your circumstances changed in a way that reduces what the IRS owes you.

Key Takeaways

  • The child tax credit phases out at $400,000 of income for married couples filing jointly and $200,000 for single filers, reducing by $50 for every $1,000 over the limit.
  • If you received monthly advance payments in 2021 or 2022, the IRS may have overpaid you, and you will owe the difference back when you file your return.
  • Changes to your filing status, number of dependents, or work income all affect the credit amount you receive.
  • The credit is refundable only up to $1,700 per child, meaning you cannot receive more than that as a refund even if the full $2,000 credit exceeds your tax bill.

How income phase-out reduces your credit

Once your income exceeds a certain threshold, the IRS reduces your child tax credit by $50 for every $1,000 (or fraction of $1,000) you earn above that point. For 2023 tax returns, the threshold is $400,000 if you file as married filing jointly, $200,000 if you file as single or head of household, and $200,000 if you file as married filing separately.

If you earned $210,000 as a single filer, you are $10,000 over the threshold. The IRS rounds up any fraction, so $10,000 counts as one $1,000 increment. You lose $50 of the credit. With two children, your credit would drop from $4,000 to $3,900. The reduction happens automatically on your return — you do not have to do anything, but the lower amount will appear on your tax form.

Your income for this calculation is your modified adjusted gross income (MAGI), which is usually your adjusted gross income (AGI) from line 11 of Form 1040. If you are unsure whether you crossed the threshold, add up your wages, self-employment income, investment income, and other sources listed on your return.

Overpayment from advance child tax credit payments

From July through December 2021, the IRS sent monthly advance payments of the child tax credit to millions of families. The payments were based on 2020 tax returns or, if you had not filed, on estimates. When you filed your 2021 return, the IRS compared what it had already sent you to what you actually owed. If it sent too much, you had to repay the difference.

The same happened in 2022 for families who received advance payments that year. If your income was higher in 2021 or 2022 than in the year the IRS used to calculate your payments, or if you had fewer dependents than the IRS thought, you likely received more in advance than you were may have access to to. The overpayment reduces your refund or increases what you owe when you file.

You can see how much advance credit you received by checking your IRS account online at irs.gov or looking at Letter 6419, which the IRS mails to you before tax season. Compare that amount to the credit you calculated on your return. The difference is what you owe back or what the IRS owes you.

Changes in filing status or dependents

If you changed your filing status from married filing jointly to single, or if you had fewer children you could claim this year, your credit shrinks. The credit is $2,000 per may have access to child, so losing one dependent means losing $2,000 in credit (before any phase-out reduction).

A child stops may have access to for the credit the year they turn 17. If your oldest child turned 17 in 2024, they no longer count toward your 2024 credit, even if they are still a dependent. A child also stops may have access to if they are no longer a U.S. citizen, national, or resident alien, or if you no longer claim them as a dependent on your return.

Filing status matters because it affects both the phase-out threshold and your tax liability. If you filed as married filing jointly last year and single this year, your threshold drops from $400,000 to $200,000, and your credit may phase out sooner. Check your Form 1040 to confirm which status you used and whether it changed.

Refundable versus non-refundable portions of the credit

The child tax credit is partially refundable. You can receive up to $1,700 per child as a refund, even if you owe no federal income tax. The remaining $300 per child is non-refundable, meaning you can use it only to reduce the tax you owe.

If your tax liability is low, you may not be able to use the full $2,000 credit. For example, if you owe $1,500 in federal tax and have one child, you can use $1,500 of the $2,000 credit to wipe out your tax bill. The remaining $500 is non-refundable, so you cannot claim it. However, $1,700 of the credit is refundable, so you would receive a $200 refund (the refundable portion minus the $1,500 you used to pay tax).

This is not a mistake — it is how the credit is designed. If your refund is smaller than you expected, check your tax liability on your return. A lower income or higher deductions can reduce the tax you owe, which limits how much of the credit you can use.

Self-employment income and earned income requirements

To claim the refundable portion of the child tax credit (the part that can come back to you as a refund), you must have earned income. Earned income includes wages, self-employment income, and certain other compensation. It does not include investment income, Social Security, unemployment benefits, or child support.

If you had no earned income or very little earned income in 2024, you can still claim the non-refundable portion of the credit (up to $300 per child), but you cannot receive the refundable $1,700 portion. This is one reason your refund might be lower than expected — the refundable credit requires earned income to unlock it.

If you are self-employed, your earned income is your net self-employment income after the self-employment tax deduction. If you had a loss in your business, your earned income is zero, and the refundable credit does not explore to you.

Reconciliation with your actual tax situation

Your child tax credit is calculated based on the information on your tax return. If you received a lower credit than you expected, walk through your return line by line. Check your income (line 9 of Form 1040), your filing status (box at the top of the form), and the number of dependents you claimed (Schedule 1, line 1).

If you had life changes — a divorce, a new job, a child aging out of the credit, or a significant income increase — those all affect your credit. The IRS does not send you a separate notice explaining why your credit changed unless you owe money back from advance payments. You have to calculate it yourself or work with a tax professional to understand the difference.

If you believe the IRS made an error, you can file an amended return using Form 1040-X. Keep records of any documents that support your claim — birth certificates for dependents, proof of citizenship, divorce decrees if your filing status changed, and pay stubs or 1099s showing your income.

Frequently Asked Questions

Can I get the full $2,000 credit as a refund?

No. The maximum refundable portion is $1,700 per child. The remaining $300 can only reduce the tax you owe. If your tax liability is less than $1,700, you receive a refund equal to your refundable credit, but you cannot receive more than $1,700 per child as a refund.

What if I made more money this year than last year?

If your income crossed the phase-out threshold, your credit shrinks by $50 for every $1,000 over the limit. For single filers, the threshold is $200,000. For married filing jointly, it is $400,000. Check your income on line 9 of Form 1040 to see if you exceeded it.

Do I have to pay back advance child tax credit payments?

Only if you received more in advance than you were may have access to to based on your actual 2024 income and dependents. The IRS compares what it sent you to what you owe on your return. If there is an overpayment, it reduces your refund or increases what you owe. You can see the advance amount on Letter 6419.

Why is my child no longer may be able to access for the credit?

Children age out of the credit the year they turn 17. If your child turned 17 in 2024, they do not may have access to for the 2024 credit. They also stop may have access to if they are no longer a U.S. citizen, national, or resident alien, or if you do not claim them as a dependent on your return.

Does self-employment income count toward the credit?

Yes. Self-employment income counts as earned income, which is required to claim the refundable portion of the credit. Your earned income is your net self-employment income after the self-employment tax deduction. If you had a business loss, your earned income is zero.