For 2026, the health savings account (HSA) contribution limit is $4,400 with self-only coverage or $8,750 with family coverage. Eligible people age 55 or older can add $1,000 to their own HSA. These limits include employer deposits. Your remaining room depends on your coverage, eligible months, and contributions already made.
What are the HSA contribution limits for 2026?
| Coverage | Full-year limit |
|---|---|
| Self-only, under 55 | $4,400 |
| Self-only, 55+ | $5,400 |
| Family, no catch-up | $8,750 |
| Family, one spouse 55+ | $9,750 |
| Family, both spouses 55+ | $10,750 |
The table assumes full-year eligibility. With family coverage, each spouse’s $1,000 catch-up must go into that spouse’s own HSA.
The IRS sets the coverage limits in Revenue Procedure 2025-19. Publication 969 explains the additional contribution and eligibility rules. Your HSA has a separate limit from your 401(k); contributing to one does not use up the other’s allowance.
What HDHP numbers turn those ceilings on?
A high deductible health plan (HDHP) generally must meet these 2026 limits:
| HDHP rule | Self-only | Family |
|---|---|---|
| Min deductible | $1,700 | $3,400 |
| Max out-of-pocket | $8,500 | $17,000 |
The out-of-pocket limit includes deductibles and copayments, not premiums. A high deductible by itself does not make a plan HSA eligible. Other coverage, including a general-purpose health flexible spending account that can reimburse your expenses, can disqualify you. You also cannot contribute while enrolled in Medicare or if someone else can claim you as a dependent.
2026 adds an exception: qualifying bronze and catastrophic individual-market plans are treated as HSA-compatible even if they do not meet the standard HDHP limits above. They need not be purchased through an Exchange to qualify for this relief. The IRS guidance on expanded HSA eligibility also covers certain direct primary care arrangements. Confirm your specific coverage with the plan before setting payroll contributions.
How does the $1,000 catch-up work?
If you are an eligible individual and turn 55 by December 31, you can add $1,000 to your annual limit. You do not have to wait until your birthday to contribute. The amount can be reduced if you are eligible for only part of the year.
An HSA belongs to one person; there is no joint HSA. If both spouses qualify for catch-ups, depositing both into one account will not work. Each spouse needs an HSA for their own additional $1,000.
For example, two eligible spouses age 58 and 60 with family coverage all year can contribute $10,750 in total: $8,750 shared between their accounts, plus $1,000 to each person’s account.
How do spouses share the family HSA limit?
When both spouses are eligible and either has family HDHP coverage, they generally share the $8,750 family limit. They can divide it equally or agree on a different split. Having two employers or two HSA accounts does not double that allowance.
Suppose one spouse’s employer contributes $2,000 and the other spouse contributes $3,000 through payroll. Together, they have used $5,000 and have $3,750 left, before any catch-ups. Check both accounts before making a year-end deposit.
If each spouse has self-only coverage, each generally has their own $4,400 limit. If only one spouse is eligible, use that person’s coverage and eligible months to determine the limit. Each spouse who contributes or receives distributions files their own Form 8889.
Do employer HSA contributions count toward the limit?
Yes. Employer deposits and your payroll HSA deductions use the same allowance as contributions you make directly. Payroll salary reductions under a cafeteria plan are treated as employer contributions for tax reporting, even though the money came out of your pay.
For a full-year eligible person under 55 with self-only coverage:
| Check | Amount |
|---|---|
| 2026 limit | $4,400 |
| Employer deposits | −$1,000 |
| Payroll contributions | −$2,400 |
| Room left | $1,000 |
Use your payroll records to avoid counting the same amount twice. Form W-2, box 12, code W generally combines employer HSA deposits and cafeteria-plan payroll contributions. Direct contributions may qualify for an income-tax deduction, but do not deduct payroll contributions again.
Can you contribute after Medicare enrollment?
Your contribution limit becomes zero beginning with the first month of Medicare enrollment. You can still spend existing HSA money on qualified medical expenses.
The effective date matters, including retroactive coverage. Someone who applies for Medicare later can discover that coverage began before the application date. Check that date before deciding how much to contribute.
For example, assume you are 65, have self-only coverage, and are HSA eligible from January through June, with Medicare beginning July 1 and no retroactive coverage. Your 2026 limit is $2,700: the $5,400 annual limit including catch-up, multiplied by 6 eligible months and divided by 12. Employer and payroll deposits still count toward that amount.
How does the last-month rule change the annual limit?
Normally, each eligible month provides one-twelfth of the annual limit for that month’s coverage. Eligibility is generally measured on the first day of the month.
The last-month rule can let you contribute a full year’s amount if you are eligible on December 1. But you must generally remain eligible through December 31 of the following year. For a 2026 contribution using this rule, the testing period runs from December 1, 2026 through December 31, 2027.
Consider someone under 55 who first becomes eligible with self-only coverage on December 1, 2026. The normal monthly calculation permits about $366.67. The last-month rule can permit $4,400. If they lose eligibility during the testing period, the extra amount contributed under that rule generally becomes taxable and subject to an additional 10% tax. Exceptions apply for death or disability.
Before using the full-year amount, look ahead to next year’s insurance changes, retirement plans, and Medicare enrollment. A larger contribution now comes with an eligibility commitment later.