What the Advanced Premium Tax Credit Does

The Advanced Premium Tax Credit (APTC) is money the federal government sends directly to your health insurance company each month to lower what you pay for coverage. You do not wait until tax time to receive it — the payment happens before you use the insurance, which is why it is called "advanced." The credit reduces your monthly premium (the amount you owe the insurance company), not your deductible or copays.

The credit amount depends on your household income and the cost of the second-cheapest Silver plan available in your area. If you earn between 100% and 400% of the federal poverty line, you may receive a credit. The exact amount you get is calculated by the government based on what they expect your income to be for the year ahead.

Key Takeaways

  • The APTC is sent to your insurance company monthly, not to you, and it only reduces your premium — not your deductible, copay, or coinsurance.
  • You must enroll through the Health Insurance Marketplace (Healthcare.gov or your state's marketplace) to receive the credit; private insurance bought outside the Marketplace does not may have access to.
  • The credit is based on your expected income for the year, and if your actual income differs, you may owe money back or receive a refund when you file taxes.
  • You can change how much credit you receive during the year if your income or household size changes, or you can wait and adjust it on your tax return.
  • The credit amount is calculated using a formula that compares the cost of the second-cheapest Silver plan to a percentage of your household income.

How the Government Calculates Your Credit Amount

The government uses a specific formula. First, they identify the cost of the second-cheapest Silver plan in your area for your household size. Next, they calculate what percentage of your income you are expected to contribute toward insurance — this percentage increases with income and is set by law each year. The difference between the plan cost and your expected contribution is your credit.

For example, if the second-cheapest Silver plan costs $400 per month and the law says someone at your income level should pay $150 per month, your credit would be $250. That $250 goes to the insurance company, and you pay $150. If you choose a cheaper Bronze plan that costs $320, you still receive the $250 credit, so you pay only $70 — but you keep the savings. If you choose a more expensive Gold plan that costs $500, you receive the same $250 credit, so you pay $250.

The income thresholds and percentages change each year. The government uses your expected income for the entire year to calculate the credit, not your current income at the moment you enroll.

Where to Enroll and Receive the Credit

You must enroll through the Health Insurance Marketplace to receive the APTC. In most states, this is Healthcare.gov. Some states run their own marketplaces — California, New York, and a dozen others have separate websites. You cannot receive the credit if you buy insurance directly from an insurance company or through a broker outside the Marketplace.

During open enrollment (usually November 1 through January 15), you create an account, enter your household income and size, and the Marketplace shows you available plans with the credit amount already subtracted from the monthly price. You choose a plan, and the credit begins the month your coverage starts. Outside open enrollment, you can enroll only if you have a may have access to life event — marriage, birth, loss of other coverage, or a move to a new state.

The Marketplace sends your credit amount to your insurance company each month. You never receive a check or see the money in your account. The insurance company subtracts the credit from your bill before sending you an invoice.

What Happens If Your Income Changes During the Year

The credit is based on your expected income for the full year. If your actual income changes — you get a raise, lose a job, have a child, or get married — your credit amount may need to change too. You have two options: report the change to the Marketplace immediately, or wait and adjust everything on your tax return.

If you report the change right away, the Marketplace recalculates your credit and adjusts what the insurance company receives starting the next month. This keeps you from overpaying or underpaying throughout the year. If you do not report the change, you will reconcile the difference when you file your taxes. If you received more credit than you were may have access to to, you owe the difference back. If you received less, you get a refund.

You can report income changes, household size changes, or address changes through your Marketplace account online, by phone, or by mail. The Marketplace typically processes changes within one to two weeks.

Tax Time Reconciliation and What You Might Owe Back

When you file your federal income tax return, the IRS compares the total APTC you received during the year to the amount you were actually may have access to to based on your final income. This is called reconciliation. If you received more credit than you should have, you must repay the difference. If you received less, you get a refund.

The amount you owe back is limited by law. If your income is between 100% and 200% of the federal poverty line, you owe back no more than $300 (for 2024; this amount changes yearly). If your income is above 200% of the poverty line, there is no cap — you could owe back the full amount. This is why reporting income changes during the year is important: it prevents a large bill at tax time.

You report the reconciliation on Form 8962, which you file with your tax return. If you owe money, you pay it with your taxes. If you are owed a refund, it is included in your refund or applied to taxes you owe.

Choosing a Plan and How the Credit Works Across Plan Types

The credit amount is the same no matter which plan you choose — it is based on the second-cheapest Silver plan, not on the plan you actually pick. This means you can use the credit on a Bronze plan (cheaper), a Silver plan, a Gold plan (more expensive), or a Platinum plan, and the credit stays the same.

If you choose a cheaper plan, you keep the savings. If you choose a more expensive plan, you pay the difference. Some people choose Bronze plans to lower their monthly cost, accepting a higher deductible. Others choose Silver or Gold plans and pay more per month but have lower out-of-pocket costs when they use care. The credit does not change based on your choice — only your monthly payment does.

Cost-sharing reductions (CSRs) are a separate benefit that lowers your deductible and copays, but only if you enroll in a Silver plan. If you receive both the APTC and CSRs, your monthly premium is lower and your out-of-pocket costs are lower.

Income Limits and Who Can Receive the Credit

To receive any APTC, your household income must be at least 100% of the federal poverty line. The credit phases out at 400% of the poverty line — above that income, you receive no credit. The poverty line changes each year and varies by household size.

For 2024, 100% of the poverty line is approximately $15,000 for a single person and $31,000 for a family of four. At 400%, those figures are roughly $60,000 and $123,000. These numbers increase slightly each year. You can find the current poverty guidelines on the Department of Health and Human Services website.

Your household income for purposes of the credit is your modified adjusted gross income (MAGI), which is usually your adjusted gross income plus any tax-exempt interest. If you are self-employed, it includes your net business income. The Marketplace asks you to estimate your income for the year ahead, and you use that estimate to determine your credit.

Frequently Asked Questions

Can I receive the APTC if I have employer health insurance?

No. If your employer offers health insurance and it is considered "affordable" (your employee premium is less than about 8.5% of your household income), you are not may be able to access for the APTC. You must enroll in the employer plan or decline it and pay the full cost of Marketplace insurance yourself.

What happens to my APTC if I get married or have a baby?

Your household size changes, which may increase or decrease your credit. Report the change to the Marketplace as soon as it happens — within 30 days is typical. The Marketplace recalculates your credit, and the new amount takes effect the following month. If you do not report it, you will reconcile the difference on your tax return.

Can I get the APTC if I am undocumented?

No. You must be a U.S. citizen or national, or a may have access to immigrant with a valid immigration status. Undocumented immigrants cannot enroll in Marketplace plans or receive the APTC, though some states offer separate insurance programs for undocumented residents.

What if I owe money back at tax time because I received too much credit?

You report the amount owed on Form 8962 and pay it with your tax return, like any other tax liability. If your income was between 100% and 200% of the poverty line, your repayment is capped at $300 (for 2024). If your income was higher, you owe the full amount. Reporting income changes during the year prevents large bills at tax time.

Can I change my APTC amount if my income goes down?

Yes. Contact the Marketplace and report your new income. They recalculate your credit and send the new amount to your insurance company starting the next month. You can also wait and adjust it on your tax return, but reporting immediately prevents overpaying your premium for months.