The IRS taxes interest based on who owns the account, not who withdraws

When you earn interest on a joint savings account, the IRS requires the bank to report that interest to whoever is listed as the account owner on the tax forms the bank has on file. If both of you are listed as owners with equal rights, the bank will typically report all the interest to one person — usually whoever opened the account or is listed first. That person receives the 1099-INT form from the bank showing the total interest earned, and that is the person responsible for reporting it on their tax return.

This creates a real problem: one person gets taxed on all the interest, even if you both contributed equally and both benefit from the account. The IRS does not automatically split the tax burden between joint owners. You have to handle that yourself, either by agreement between you or by filing an amended return if the wrong person was reported.

Key Takeaways

  • The bank reports all interest income to one owner on the 1099-INT form, and that person must report it on their tax return unless you correct it.
  • If you contributed equally but only one person was reported, you can file Form 8082 (Disclosure Statement) with an amended return to claim your share of the interest income.
  • You can ask your bank to split the interest reporting between both owners, though not all banks offer this option and it requires written authorization.
  • The person who receives the 1099-INT is responsible for the tax bill unless you have a written agreement showing how you actually split the interest.
  • Interest income is taxed at your ordinary income tax rate, which varies by your total income and filing status.

How the bank decides who gets reported on the 1099-INT

Banks are required to report interest income to the IRS on a 1099-INT form, and they can only name one taxpayer identification number (usually a Social Security number) on that form. Most banks default to reporting to whoever opened the account or is listed first on the account paperwork. Some banks have a field where you can designate which owner should receive the 1099-INT, but many do not offer this choice.

When you open a joint account, ask the bank directly whether you can specify which owner receives the 1099-INT, or whether they will split the reporting between both owners. Get the answer in writing. If the bank says they cannot split it, you need to know that upfront so you can plan how to handle the tax reporting later.

What happens if the wrong person gets reported

If you contributed half the money but your spouse received the entire 1099-INT, you have two options: file an amended return claiming your share of the interest, or work out a payment arrangement between yourselves so the person who was reported covers the tax on your behalf.

To claim your share on an amended return, file Form 1040-X (Amended U.S. Individual Income Tax Return) for the year in question. On that form, you report your portion of the interest income and pay tax on it. You will also need to file Form 8082 (Disclosure Statement) to explain why you are reporting income that does not appear on a 1099-INT issued to you. Include a statement showing how you and the other owner agreed to split the interest — this can be a written agreement, a text message, or even a statement you both sign after the fact.

The IRS will not automatically know that you and the other owner split the account. You have to show the work. Keep copies of everything: the 1099-INT, your amended return, Form 8082, and your written agreement about how the interest was split.

Asking your bank to split the 1099-INT reporting

Some banks, particularly larger ones, allow you to request that interest be split between two owners and reported on two separate 1099-INT forms. This is the cleanest solution because each person receives a 1099-INT showing their actual share, and each person reports their own portion on their own tax return.

To request this, contact your bank's tax reporting department in writing. You will typically need to provide a written authorization signed by both account owners stating how the interest should be split (50/50, or whatever percentage you agree on). Not all banks honor this request — some say their system cannot split the reporting — so ask before you count on it.

If your bank agrees to split the reporting, make sure the split matches your actual ownership and contribution. If you own the account 60/40, the interest should be reported 60/40. The bank will use that split going forward, so you will receive separate 1099-INT forms each year.

Tax rates and how much you will owe

Interest income is taxed at your ordinary income tax rate, which depends on your total income for the year and your filing status. It is not taxed at a special rate like capital gains. If you earned $500 in interest and you are in the 22% tax bracket, you owe roughly $110 in federal tax on that interest (before any deductions or credits).

The actual amount varies based on your state income tax as well. Some states tax interest income; others do not. If you live in a state with income tax, you will owe state tax on the interest in addition to federal tax.

Interest income also counts toward your total income for the year, which can affect whether you may have access to for certain tax deductions or credits. For example, if you are close to the income limit for the Earned Income Tax Credit or the Child Tax Credit, the interest income might push you over the limit and reduce your benefit.

What to do if you have not received a 1099-INT but earned interest

If your account earned interest but you did not receive a 1099-INT by early February, contact your bank. Banks are required to send 1099-INT forms by January 31 for the previous year. If the interest was very small (under $10 at most banks), the bank may not be required to issue a 1099-INT, but you still have to report it on your tax return.

If the bank cannot locate a 1099-INT or says it was issued to the other owner, request a copy in writing. You will need it to file your amended return if you are claiming your share of the interest. If the bank truly lost the form, they can issue a duplicate.

Frequently Asked Questions

Do I have to report interest if the account earned less than $10?

Most banks do not issue a 1099-INT for interest under $10, but you are still required to report all interest income on your tax return, no matter how small. If you earned $3 in interest, you report $3. The bank's decision not to send a form does not change your reporting obligation.

What if my spouse and I file taxes separately?

If you file separately, you will need to split the interest income between your two returns. The person who received the 1099-INT should report their share, and the other person should file an amended return or Form 1040-X claiming their share. You both need to agree on how to split it and document that agreement.

Can I avoid taxes by keeping the account balance low?

No. You pay tax on the interest you earn, not on the balance in the account. If you have $10,000 in the account earning 4% interest annually, you earn $400 in interest and owe tax on that $400, regardless of how much money sits in the account.

Does the person who withdrew the money owe the tax?

No. The person who receives the 1099-INT from the bank owes the tax on the interest, not the person who withdrew the money. Interest is taxed based on ownership, not on who spent the money.

What if we want to split the interest 60/40 instead of 50/50?

You can split it any way you agree on. Ask your bank if they will report it 60/40 on two separate 1099-INT forms. If they will not, the person who received the 1099-INT reports all of it, and the other person files an amended return claiming their 40% share. Include a written agreement showing how you decided on the split.