The 2024 Child Tax Credit: Amount and Basic Rules

The Child Tax Credit for 2024 was worth up to $2,000 per child under age 17. You claimed it on your 2024 tax return, filed in early 2025, to reduce the federal income tax you owed. The credit applied to children who were U.S. citizens, nationals, or resident aliens with a valid Social Security number.

The credit began to phase out—meaning it got smaller—if your modified adjusted gross income exceeded certain thresholds. For single filers, the phase-out started at $400,000. For married couples filing jointly, it started at $800,000. For each $1,000 (or fraction of $1,000) over the threshold, the credit reduced by $50.

Unlike a deduction, which lowers the income you pay tax on, a credit directly reduces your tax bill dollar-for-dollar. If the credit was larger than the tax you owed, you could receive the difference as a refund, up to a limit set by law.

Key Takeaways

  • The 2024 Child Tax Credit was $2,000 per may have access to child under age 17, claimed on your tax return filed in 2025.
  • Your child needed a valid Social Security number and to be a U.S. citizen, national, or resident alien to count.
  • The credit phased out starting at $400,000 income for single filers and $800,000 for married couples filing jointly.
  • If the credit exceeded your tax bill, you could receive the excess as a refund, though the refundable portion had a $1,700 limit per child in 2024.
  • You claimed the credit on your Form 1040 using Schedule 8812 if you had more than three may have access to children.

Who Could Claim the Credit in 2024

To claim the Child Tax Credit, you had to meet several requirements. Your child had to be under age 17 at the end of 2024, be your son or daughter (biological, adopted, or stepchild), and live with you for more than half the year. Foster children and siblings also counted if they met the residency requirement.

You had to claim the child as a dependent on your return, and the child needed a valid Social Security number issued before the tax return important date. If your child was born on December 31, 2024, they counted as age zero for the year and may have access to for the credit.

If you were married, you generally had to file jointly to claim the credit. If you were unmarried and lived with a may have access to child, you could claim it as a single filer or head of household.

Income Limits and Phase-Out Rules

Your income determined whether you received the full $2,000 credit or a reduced amount. The IRS used your modified adjusted gross income (MAGI), which for most people was the same as your adjusted gross income reported on your tax return.

If you were single and your MAGI was $400,000 or less, you got the full credit. If it was $400,001 to $420,000, the credit reduced by $50 for each $1,000 over the threshold (rounded up). For example, if your MAGI was $401,000, you lost $100 from the credit, bringing it to $1,900 per child.

Married couples filing jointly had a higher threshold: $800,000. The phase-out worked the same way—$50 less for each $1,000 over the limit. Married filing separately had a $400,000 threshold, the same as single filers.

How Much You Could Receive as a Refund

The Child Tax Credit was partially refundable in 2024. This meant if the credit was larger than the tax you owed, the IRS could send you money back. However, the refundable portion—called the Additional Child Tax Credit—was limited to $1,700 per child.

For example, if you had two children and owed no federal income tax, you could receive up to $3,400 as a refund ($1,700 times two children). If you owed $500 in tax and had a $2,000 credit per child, the credit would first cover your $500 tax bill, then you could receive up to $1,700 per child as a refund.

The refundable amount also depended on your earned income. If your earned income (wages, self-employment income) was very low, the refundable credit could be smaller. The IRS calculated this using a formula on Schedule 8812.

Claiming the Credit on Your 2024 Tax Return

You claimed the Child Tax Credit on Form 1040, the main federal income tax form. If you had one, two, or three may have access to children, you entered the credit amount directly on the form. If you had four or more may have access to children, you had to complete Schedule 8812 (Credits for may have access to Children and Other Dependents) and attach it to your return.

For each child, you needed their name, date of birth, and Social Security number on the return. The IRS matched this information against Social Security Administration records, so accuracy mattered. If the name or number didn't match, the IRS could disallow the credit and send you a notice.

If you filed electronically, tax software walked you through the questions and calculated the credit automatically. If you filed on paper, you had to do the math yourself or use the IRS worksheets included in the Form 1040 instructions.

Changes From Previous Years and Special Situations

The 2024 Child Tax Credit amount of $2,000 per child had been in place since 2018. In 2021 and 2022, the credit was temporarily higher ($3,000 to $3,600 per child) and was paid out in monthly installments, but that expansion ended. The 2024 credit returned to the $2,000 level and was claimed only when you filed your tax return.

If your custody of a child changed during 2024, or if you and another parent shared custody, special rules applied. Generally, the parent who claimed the child as a dependent got the credit. If you and the other parent alternated years, only the parent who claimed the child that year could claim the credit.

If your child had income from a job or investments, they could still may have access to for the credit as long as they met the age, residency, and relationship requirements. The child's own income didn't disqualify them.

What Happened if You Received an Advance Payment

Some families received advance Child Tax Credit payments in 2021 and 2022 when the credit was expanded. If you received those payments, you had to account for them on your 2024 return. The IRS sent you a letter showing how much you received.

When you filed your 2024 return, you reported the advance payments you received in prior years. If you received more in advance than you were may have access to to, you had to repay the difference when you filed. If you received less, the remaining credit was added to your 2024 refund or applied to taxes you owed.

Frequently Asked Questions

Can I claim the credit if my child doesn't have a Social Security number yet?

No. Your child must have a valid Social Security number issued before you file your return. If your child was born late in 2024 and you didn't have a number by the filing important date, you couldn't claim the credit for that year. You could amend your return later if the number arrived before the important date to claim a refund (usually three years).

What if I share custody with my ex-partner?

Only one parent can claim the credit per child per year. Usually, the parent who claims the child as a dependent on their return gets the credit. If you alternate years claiming the child, you alternate who claims the credit. If you both claim the same child, the IRS will disallow one of the credits and may ask for proof of custody.

Does my child's income affect whether I can claim the credit?

No. Your child's income from a job or investments doesn't prevent you from claiming the credit, as long as they meet the age, residency, and relationship requirements. However, your own income determines whether the credit phases out.

What if I owe back taxes or child support?

If you owe federal income tax from a prior year, child support, or certain other debts, the IRS can use your refund to pay those debts before sending it to you. This is called offset. You would receive notice if this happened.

Can I claim the credit if my child turned 17 during 2024?

No. The child must be under age 17 at the end of the tax year. If your child turned 17 on any date in 2024, they didn't may have access to for the 2024 credit. They would have may have access to for prior years when they were under 17.