Skip to main content
← Back to A Definitions

Additional child tax credit

What Is Additional Child Tax Credit?

The Additional Child Tax Credit (ACTC) is the refundable portion of the broader Child Tax Credit (CTC) available to eligible taxpayers in the United States. As part of federal taxation, specifically within the realm of Tax Credits, the ACTC allows families to receive a refund even if the credit amount exceeds their tax liability. This means that if a family's tax bill is reduced to zero by the Child Tax Credit, any remaining portion of the ACTC can still be paid out as a refund. The primary goal of the Additional Child Tax Credit is to provide financial relief to low- and moderate-income families with qualifying children, helping to offset the costs of raising children and contributing to household economic stability.

History and Origin

The concept of a federal child tax credit in the United States dates back to the Taxpayer Relief Act of 1997, which introduced a $400 nonrefundable credit per child, increasing to $500 in 1999. The initial aim was to provide tax relief to middle- and upper-middle-income families26. However, it soon became clear that a nonrefundable credit did not adequately benefit low-income families who might owe little to no federal income tax. To address this, subsequent legislation began to introduce refundability. The refundable portion, which became known as the Additional Child Tax Credit, was specifically designed to ensure that more low-income working families could benefit from the credit, even if their tax liability was minimal or zero24, 25.

The refundable nature of the credit was significantly enhanced through various acts. For example, the Economic Growth and Tax Relief Reconciliation Act of 2001 and the Jobs and Growth Tax Relief Reconciliation Act of 2003 increased the credit amount and made it partially refundable. Further expansions, such as those under the American Taxpayer Relief Act of 2012 and the Tax Cuts and Jobs Act of 2017, continued to broaden the reach and value of the Child Tax Credit, including its refundable component. The most notable temporary expansion occurred with the American Rescue Plan Act of 2021, which made the Child Tax Credit fully refundable for that year, significantly increasing its impact on child poverty levels23.

Key Takeaways

  • The Additional Child Tax Credit (ACTC) is the refundable part of the Child Tax Credit, allowing eligible taxpayers to receive a refund even if they owe no federal income tax.
  • It is specifically designed to provide financial support to low- and moderate-income families.
  • To claim the ACTC, taxpayers must file Form 1040 and attach Schedule 8812, "Credits for Qualifying Children and Other Dependents."
  • Eligibility typically requires the child to have a Social Security Number and meet age, relationship, and residency tests, and the taxpayer must have earned income above a certain threshold.
  • The maximum amount of the ACTC can change annually due to legislative updates.

Formula and Calculation

The Additional Child Tax Credit (ACTC) is calculated based on a portion of a taxpayer's earned income that exceeds a specific threshold. For the 2024 tax year, the maximum ACTC is generally $1,700 per qualifying child22.

The formula to calculate the ACTC is generally the lesser of:

  1. The maximum refundable amount per child (e.g., $1,700 for 2024), multiplied by the number of qualifying children.
  2. 15% of the taxpayer's earned income that exceeds a base threshold (e.g., $2,500 for 2024).

The formula can be expressed as:

ACTC=MIN(Maximum refundable amount per child×Number of qualifying children,0.15×(Earned IncomeRefundability Threshold))\text{ACTC} = \text{MIN}(\text{Maximum refundable amount per child} \times \text{Number of qualifying children}, \\ 0.15 \times (\text{Earned Income} - \text{Refundability Threshold}))

Where:

  • Maximum refundable amount per child: The highest amount of the Child Tax Credit that can be refunded per qualifying child (e.g., $1,700 for 2024)21.
  • Number of qualifying children: The total count of eligible children claimed on the tax return.
  • Earned Income: Wages, salaries, tips, and other taxable employee compensation, plus net earnings from self-employment. Unemployment benefits and most investment income are not considered earned income for this calculation20.
  • Refundability Threshold: A statutory amount of earned income that must be exceeded for the 15% calculation to begin (e.g., $2,500 for 2024)19.

Taxpayers determine their ACTC by completing Schedule 8812 (Form 1040), "Credits for Qualifying Children and Other Dependents," which guides them through the specific calculations based on their income and number of qualifying children17, 18.

Interpreting the Additional Child Tax Credit

The Additional Child Tax Credit serves as a critical component of federal social programs designed to alleviate financial burdens on families. Its refundable nature means that even families with very low household income who may not owe federal income tax can still receive a direct financial benefit. This distinction is crucial, as it provides a safety net for those who might otherwise be excluded from the benefits of nonrefundable tax credits.

Interpreting the ACTC involves understanding its direct impact on a family's disposable income. For a family at or near the poverty line, receiving a refund from the ACTC can significantly increase their ability to meet basic needs, such as food, housing, and healthcare. The credit's value is often weighed against the cost of raising children, with the ACTC acting as a supplement to household budgets. Policymakers and researchers often analyze the ACTC's effectiveness by looking at its correlation with metrics like child poverty rates and family financial stability.

Hypothetical Example

Consider the hypothetical case of the Miller family, consisting of two parents and two qualifying children, aged 5 and 8. In the current tax year, the family's earned income is $25,000. For simplicity, assume their total federal income tax liability before credits is $500, and the maximum Child Tax Credit (CTC) is $2,000 per child, with the Additional Child Tax Credit (ACTC) refundable up to $1,700 per child, and the earned income threshold for refundability is $2,500.

  1. Calculate Total Child Tax Credit (Non-Refundable Portion First):

    • The Miller family has two qualifying children, so their total potential CTC is $2,000 * 2 = $4,000.
    • Their tax liability is $500. The non-refundable portion of the CTC reduces their tax liability to $0.
    • Remaining CTC: $4,000 - $500 = $3,500.
  2. Calculate Additional Child Tax Credit (Refundable Portion):

    • The ACTC is the refundable portion of the remaining CTC. The maximum refundable amount per child is $1,700, so for two children, it's $1,700 * 2 = $3,400.
    • Calculate 15% of earned income exceeding the threshold:
      • Earned income: $25,000
      • Threshold: $2,500
      • Excess earned income: $25,000 - $2,500 = $22,500
      • 15% of excess: $22,500 * 0.15 = $3,375.
    • The ACTC is the lesser of the maximum refundable amount ($3,400) or 15% of excess earned income ($3,375).
    • Therefore, the Miller family's Additional Child Tax Credit is $3,375.
  3. Total Benefit:

    • The Miller family pays $0 in federal income tax ($500 liability offset by CTC).
    • They receive an Additional Child Tax Credit refund of $3,375.
    • This example demonstrates how the ACTC provides a significant financial boost to families with lower incomes, even if they owe minimal or no federal income taxes.

Practical Applications

The Additional Child Tax Credit plays a vital role in several areas of financial planning and social policy. Its primary application is to directly boost the disposable income of eligible families, which can then be used for essential needs.

  • Poverty Reduction: The ACTC is a powerful tool in combating child poverty. Research by institutions like the Columbia University Center on Poverty and Social Policy has indicated that expansions of the Child Tax Credit, particularly making it fully refundable, led to significant reductions in child poverty rates, with millions of children lifted out of poverty in periods when the credit was enhanced14, 15, 16. Families frequently use these funds for household necessities, debt repayment, and children's well-being13.
  • Household Budgeting: For families managing tight budgets, the Additional Child Tax Credit can represent a significant annual infusion of cash. This can help cover educational expenses, healthcare costs, or even save for future needs, thereby improving overall household financial stability.
  • Economic Stimulus: From a broader economic perspective, the ACTC acts as a form of economic stimulus. When low-income families receive these funds, they are highly likely to spend them immediately on goods and services, injecting money directly into local economies.
  • Tax Compliance for Low-Income Filers: For many families with very low incomes, the ACTC provides a strong incentive to file a federal tax return, even if they would otherwise not be required to do so. This helps ensure that more individuals engage with the tax system and potentially access other beneficial credits. The Internal Revenue Service (IRS) provides information and resources for taxpayers regarding the Child Tax Credit, including its refundable components, underscoring its importance as a federal benefit12.

Limitations and Criticisms

While widely recognized for its benefits, the Additional Child Tax Credit also faces certain limitations and criticisms. One common critique revolves around its varying impact based on income levels and legislative changes. Historically, the ACTC's full benefit was not always accessible to the lowest-income families due to its "phase-in" structure, requiring a certain level of earned income before refundability kicked in11. This meant that families with the absolute lowest earnings, who arguably needed the assistance most, sometimes received less or no ACTC compared to those with slightly higher incomes. While temporary expansions, such as that under the American Rescue Plan Act of 2021, made the credit fully refundable, this provision expired, reverting to previous earned income requirements10.

Another point of contention has been the requirement for a Social Security Number (SSN) for qualifying children, which excludes certain populations, such as children with Individual Taxpayer Identification Numbers (ITINs). This exclusion means that some dependent children, despite contributing to a household's financial needs, do not qualify for the credit9.

Furthermore, the complexity of tax law and the need to file a specific form, Schedule 8812, can be a barrier for some eligible families, particularly those unfamiliar with tax filing procedures or those who do not typically file a tax return because their income falls below filing thresholds. The fluctuating nature of the credit's parameters, influenced by various legislative acts, can also create uncertainty and make long-term financial planning difficult for families relying on such benefits. The Center on Poverty and Social Policy at Columbia University, while highlighting the credit's positive impacts, also notes the negative consequences of the credit's expiration and the return to prior, less inclusive rules, which can lead to increased child poverty and financial strain8.

Additional Child Tax Credit vs. Child Tax Credit

The Additional Child Tax Credit (ACTC) and the Child Tax Credit (CTC) are closely related but represent distinct aspects of the same federal tax benefit for families with qualifying children. The primary difference lies in their refundability.

The Child Tax Credit (CTC) is a nonrefundable tax credit that allows taxpayers to reduce their federal tax liability by a certain amount per qualifying child (e.g., up to $2,000 per child for 2024)7. If a taxpayer's owed taxes are $1,500 and they qualify for a $2,000 CTC, their tax bill would be reduced to $0. However, the remaining $500 of the credit would typically be forfeited if there were no refundable portion.

The Additional Child Tax Credit (ACTC), on the other hand, is the refundable portion of the Child Tax Credit. This means that if the CTC reduces a taxpayer's tax liability to zero, and there is still some of the credit remaining (up to the ACTC limit, e.g., $1,700 per child for 2024), that leftover amount can be returned to the taxpayer as a refund, even if they owe no tax6. The ACTC ensures that lower-income families who may not have a large federal tax liability can still benefit significantly from the credit. In essence, the ACTC is a subset or a component of the Child Tax Credit, specifically designed to extend the benefit to those who might otherwise receive little to no financial assistance from a nonrefundable credit.

FAQs

Who qualifies for the Additional Child Tax Credit?

To qualify for the Additional Child Tax Credit, you must meet the eligibility requirements for the general Child Tax Credit, including having a qualifying child who is under age 17 at the end of the tax year and has a valid Social Security Number. Additionally, your earned income must exceed a certain threshold, as the ACTC is calculated based on a percentage of your earned income above this amount4, 5.

How do I claim the Additional Child Tax Credit?

You claim the Additional Child Tax Credit by filing your federal tax return, typically Form 1040, and attaching Schedule 8812, "Credits for Qualifying Children and Other Dependents." This form helps you calculate the amount of the ACTC you are eligible for based on your income and number of qualifying children2, 3.

What is the maximum amount of the Additional Child Tax Credit?

For the 2024 tax year, the maximum amount of the Additional Child Tax Credit is generally $1,700 per qualifying child1. This amount can change based on new tax legislation.

Is the Additional Child Tax Credit the same as the Child Tax Credit?

No, they are not exactly the same. The Additional Child Tax Credit (ACTC) is the refundable part of the Child Tax Credit (CTC). The CTC itself is a nonrefundable credit that reduces your tax liability. If the CTC reduces your tax to zero and there's still a credit amount remaining, the ACTC allows you to receive a portion of that remaining credit as a refund.