The 2024 HSA contribution limit depends on your coverage type

For 2024, the maximum you can contribute to a Health Savings Account is $4,150 if you have individual coverage or $8,300 if you have family coverage. These are the amounts set by the IRS for the tax year. If you are 55 or older, you can add an extra $1,000 catch-up contribution on top of these limits.

The contribution limit applies to all money going into your HSA in a single calendar year — whether it comes from your paycheck through payroll deduction, from you directly, or from your employer as a contribution. You cannot exceed the annual limit without facing tax penalties, so it matters to track what goes in from all sources.

These limits are set each year and can change. The IRS announced the 2024 amounts in October 2023. If you are planning for 2025, those limits will be different and will be announced in the fall of 2024.

Key Takeaways

  • The 2024 limit is $4,150 for individual coverage and $8,300 for family coverage, set by the IRS and applied to the calendar year.
  • If you are 55 or older, you can contribute an additional $1,000 per year on top of the standard limit.
  • The limit includes all contributions from all sources — your employer, payroll deductions, and personal deposits — combined into one total.
  • Exceeding the limit triggers a 20 percent tax penalty on the overage plus income tax owed on that amount.
  • Contribution limits change yearly; the IRS publishes 2025 limits in the fall of 2024.

How the limit is calculated when you change coverage mid-year

If you switch from individual to family coverage (or vice versa) during the year, the IRS allows a pro-rata calculation — meaning you divide the annual limit by 12 and multiply by the number of months you had each coverage type. This prevents you from contributing the full family limit if you only had family coverage for part of the year.

For example, if you had individual coverage for six months ($4,150 ÷ 12 × 6 = $2,075) and then switched to family coverage for six months ($8,300 ÷ 12 × 6 = $4,150), your total limit for the year would be $6,225. You would need to track this yourself and tell your employer's payroll department if you are making contributions through your paycheck.

The exception is if your coverage change happens on the first day of a month. Some employers treat that as a full month of the new coverage type for HSA purposes, so check with your benefits administrator about how they handle the calculation.

What happens if you contribute more than the limit

If you put more money into your HSA than the annual limit allows, the IRS treats the overage as a taxable distribution. You owe income tax on the excess amount, plus a 20 percent penalty tax on top of that. The penalty applies only to the overage, not to your entire HSA balance.

You have until the tax filing deadline (usually April 15 of the following year) to withdraw the excess contribution and avoid the penalty. If you catch the overage before then, you can request a withdrawal from your HSA provider. You will still owe income tax on the overage, but the 20 percent penalty can be avoided if you act before the deadline.

If you do not catch it in time, you will report the overage on your tax return. Some people discover overages when filing taxes and have to pay the penalty retroactively. This is why tracking contributions from all sources — especially if you have both an employer contribution and make personal deposits — matters.

Employer contributions count toward your limit

Money your employer puts into your HSA counts against your annual limit, not in addition to it. If your employer contributes $2,000 and you contribute $2,150 from your paycheck, your total is $4,150 — you have hit the individual coverage limit and cannot add more.

This is a common source of confusion because it feels like employer money should be separate. It is not. The IRS counts all contributions together. If you are unsure how much your employer is contributing, check your benefits summary or ask your human resources department for the exact amount they plan to deposit this year.

Some employers front-load contributions early in the year, while others spread them across all 12 months. Knowing your employer's schedule helps you plan how much you can contribute from your own pocket without going over.

The catch-up contribution for people 55 and older

If you turn 55 at any point during the calendar year, you become may be able to access to contribute an extra $1,000 for that year. This is called a catch-up contribution and is separate from the standard limit. So a 55-year-old with individual coverage can contribute up to $5,150 total in 2024 ($4,150 base + $1,000 catch-up).

The catch-up contribution is available once per year, not once per month. You cannot contribute an extra $1,000 every month just because you are over 55. The $1,000 is a one-time annual addition to your limit.

You do not have to do anything special to claim the catch-up contribution — your HSA provider should allow it automatically once you turn 55. However, you are responsible for tracking it and making sure your total contributions (including employer contributions) do not exceed the limit plus the catch-up amount.

Contribution limits are different from spending limits

The annual contribution limit is how much money you can put into your HSA in a given year. It has nothing to do with how much you can spend from the account. Once money is in your HSA, you can spend it on may have access to medical expenses with no annual cap — you could spend $20,000 if you had that much saved and the expenses may have access to.

The contribution limit also does not affect how much money can accumulate in your account over time. HSA balances roll over year to year. If you contribute $4,150 in 2024 and spend only $1,000, the remaining $3,150 stays in the account and can be spent in 2025 or any future year. There is no "use it or lose it" rule for HSAs.

This is why some people treat HSAs as long-term savings accounts — they contribute the maximum each year, spend only what they need for immediate medical costs, and let the rest grow. The contribution limit is the only annual constraint; spending is not constrained at all.

Frequently Asked Questions

Can I contribute to an HSA if I am on Medicare?

No. Once you enroll in Medicare, you are no longer may be able to access to contribute to an HSA, even if you still have an HSA-may have access to health plan through an employer. You can continue to spend money that is already in your HSA on may have access to medical expenses, but you cannot add new contributions. If you are still working and turn 65, check with your employer about when Medicare enrollment affects your HSA contributions.

What if my employer and I both contribute to my HSA in the same year?

Both contributions count toward the same annual limit. If your employer contributes $1,500 and you contribute $2,500, your total is $4,000 — still under the $4,150 individual limit for 2024. You need to track both to avoid going over. Ask your employer for a statement showing their contribution amount so you know how much room you have left.

Do HSA contribution limits change every year?

Yes. The IRS adjusts the limits annually based on inflation. The 2024 limits are $4,150 (individual) and $8,300 (family). The 2025 limits will be announced in October 2024 and may be higher. If you plan ahead, assume the limits will increase slightly each year but do not count on a specific amount.

Can I make a contribution for a previous year after the year ends?

Yes, but only until the tax filing deadline of the following year (usually April 15). If you did not contribute the full amount in 2024, you can make a catch-up contribution for 2024 until April 15, 2025. After that deadline, the opportunity is closed and you cannot add to that year's limit.