Bottom line For 2026, the HSA contribution limit is $4,400 for self-only high-deductible health plan (HDHP) coverage and $8,750 for family coverage, with an extra $1,000 catch-up if you're 55 or older[1]. To qualify, your plan needs a deductible of at least $1,700 (self-only) or $3,400 (family)[1].
Not tax advice Eligibility depends on your specific health plan and household situation. These are the IRS limits — confirm your plan qualifies as an HDHP and consult a tax professional for your situation.

2026 HSA contribution limits

The IRS raises HSA limits each year to keep pace with inflation. The 2026 limits are set in Revenue Procedure 2025-19, published in May 2025[1]. Self-only coverage allows $4,400 in contributions, up $100 from 2025's $4,300. Family coverage allows $8,750, up $200 from 2025's $8,550.

2026 limitSelf-onlyFamily
Contribution limit$4,400$8,750
Catch-up (age 55+)+$1,000+$1,000
HDHP minimum deductible$1,700$3,400
Out-of-pocket maximum$8,500$17,000

The catch-up contribution is worth calling out separately: it is a fixed $1,000 that does not rise with inflation, and it applies to the account holder, not the plan[2]. If you and a spouse are both 55 or older, each of you can add $1,000 — but you need separate HSAs to do it.

What an HSA actually is

Doctor with a stethoscope and clipboard

An HSA is a tax-advantaged account you can open when you're covered by a high-deductible health plan. You — or your employer — put money in, it grows tax-free, and you can withdraw it tax-free for qualified medical expenses[2]. Unlike a flexible spending account, the money is yours to keep: it rolls over year after year with no use-it-or-lose-it rule, and it follows you if you change jobs or retire[2].

You're eligible if you're covered by an HDHP, are not enrolled in Medicare, and cannot be claimed as a dependent on someone else's return. A "high-deductible" plan means exactly what the table above says: a deductible of at least $1,700 for self-only coverage or $3,400 for family, and out-of-pocket costs capped at $8,500 or $17,000 respectively[1]. If your plan has a lower deductible, you generally cannot contribute to an HSA.

Why it's called a triple tax advantage

The HSA is the only account that gets three distinct tax breaks at once[2]:

  • Deductible going in. Your contributions lower your taxable income, even if you don't itemize deductions.
  • Tax-free growth. Interest, dividends, and capital gains inside the account are not taxed while they stay there.
  • Tax-free coming out. Withdrawals used for qualified medical expenses are never taxed.

That combination beats a traditional IRA (deductible now, taxed later) and a Roth IRA (taxed now, tax-free later) on paper — but only if you actually use the money for medical costs. Most accounts give you two of the three; the HSA is the only common one that can give you all three.

HSA vs. FSA: the key differences

Both accounts cover medical costs with pre-tax dollars, but they behave very differently. The 2026 health FSA limit is $3,400[3] — below even the HSA self-only limit — and most FSAs come with a use-it-or-lose-it rule that forfeits unspent money at year-end.

FeatureHSAHealth FSA
2026 contribution limit$4,400 / $8,750$3,400
Rolls over year to year?Yes, unlimitedMostly no
Yours if you leave your job?YesNo
Can you invest it?YesNo
Requires an HDHP?YesNo

Using your HSA for the long term

Because the balance rolls over indefinitely, many people use an HSA as a stealth retirement account. You can invest the funds in stocks, bonds, or mutual funds, and let the growth compound tax-free[2]. The optimal strategy for many: contribute the max, pay small medical bills out of pocket, and let the account grow untouched.

There is a catch if you withdraw for non-medical reasons before 65: the withdrawal is taxed as income and hit with a 20% penalty[2]. After 65, non-medical withdrawals are taxed as ordinary income but the penalty disappears — making an HSA after 65 function much like a traditional IRA for non-medical spending, while still being tax-free for medical costs.

FAQ

Who can contribute to an HSA?

You need to be covered by a qualifying HDHP, not be enrolled in Medicare, and not be claimable as a dependent. Your HDHP must meet the deductible and out-of-pocket thresholds for the year — $1,700/$3,400 deductible and $8,500/$17,000 out-of-pocket max for 2026[1].

What counts as a qualified medical expense?

Doctor visits, prescriptions, dental and vision care, and many out-of-pocket costs qualify. The IRS maintains the full list in Publication 502. Over-the-counter medicines and menstrual products are also eligible without a prescription.

Can I have an HSA and an FSA at the same time?

Generally no, unless the FSA is a "limited-purpose" FSA restricted to dental and vision. A standard health FSA is disqualifying coverage because it pays first-dollar medical costs, which undermines the HDHP requirement.

What if I over-contribute?

Excess contributions are subject to a 6% excise tax each year they remain in the account. You can avoid it by withdrawing the excess (and its earnings) before your tax-filing deadline, including extensions.

Sources

  1. IRS Revenue Procedure 2025-19 — 2026 HSA and HDHP inflation-adjusted amounts — irs.gov
  2. IRS Publication 969 — Health Savings Accounts and Other Tax-Favored Health Plans — irs.gov
  3. IRS Publication 15-B (2026) — Employer's Tax Guide to Fringe Benefits (health FSA limit) — irs.gov