🏦Retirement Limits 2026
6 min read · 2026-04-25

The HSA Is the Best Retirement Account No One Talks About

Pretax in, tax-free growth, tax-free out for medical. And it becomes a traditional IRA at 65. Here's how to actually use the 2026 HSA limits.

Three tax breaks in one account

Pretax going in, tax-free growth while it sits, tax-free withdrawals for qualified medical expenses — no other US account gets all three. The 2026 contribution caps are $4,400 self-only and $8,750 family, plus a $1,000 catch-up at 55+. Payroll contributions also dodge FICA (a 7.65% bonus savings).

The "save the receipt" strategy

There is no deadline to reimburse a qualified medical expense from your HSA. Pay the $200 urgent-care bill out of your checking account today, scan the receipt, invest the $200 in your HSA. Thirty years later, that $200 grew to roughly $1,500 at 7% real return. Pull it out, scan the original receipt, done — all tax-free. You just traded $200 of cash for $1,500 of tax-free money using a receipt you already had. Repeat this for every medical expense you can afford to pay out-of-pocket during your working years.

At 65 it becomes an IRA

After 65, if you pull HSA money out for anything — vacation, car, whatever — you pay ordinary income tax on it, but the 20% penalty disappears. That makes the HSA functionally equivalent to a traditional IRA, except the medical-expense withdrawals remain tax-free on top. So an HSA is weakly dominant over a traditional IRA for anyone on a high-deductible plan.

Common mistakes

  1. Leaving the HSA in cash. Most HSA providers default your balance to a savings account paying near-zero interest. Move it to the investment sleeve as soon as you hit the minimum threshold (often $1,000).
  2. Using FSA and HSA at the same time. Not allowed, except for a "limited purpose" FSA for vision and dental.
  3. Not maxing it before funding an IRA. Because of the triple tax advantage + FICA dodge, every dollar into an HSA beats a dollar into a Roth IRA for most W-2 workers.

Order of operations for 2026

  1. 401(k) up to the employer match — free money.
  2. HSA to the annual cap ($4,400 / $8,750).
  3. Roth IRA to $7,500 (or Backdoor Roth if over the income cap).
  4. Back to the 401(k) up to $24,500.
  5. Taxable brokerage for anything left.

Worked through the limits table on our homepage yet? It shows the 2026 numbers side by side.

← Back to the 2026 limits table