There is no income limit that keeps you out of Medicare. Anyone who is eligible can enroll at any income. What your income does is set whether you pay an IRMAA surcharge on top of the standard premium. For 2026, a single filer with a MAGI of $109,000 or less, or a couple filing jointly with $218,000 or less, pays the standard premium with no surcharge. Above those figures, a surcharge applies.
This is the first thing to clear up, because the phrase income limit causes real confusion. Medicare is not means-tested. You qualify based on age (65 and over) or a qualifying disability, and your income does not change whether you can enroll. That is different from Medicaid, which does have income limits.
So when people ask about the Medicare income limit, what they usually mean is the income level where the IRMAA surcharge kicks in. IRMAA, the income-related monthly adjustment amount, is an extra charge added to your Part B and Part D premiums once your income passes a threshold. You still get the same Medicare. You just pay more for it.
Here is the income level at which the standard premium ends and the first surcharge begins for 2026. These figures are measured against your MAGI from two years earlier.
| Filing status | Standard premium, no surcharge | Surcharge starts above |
|---|---|---|
| Single | $109,000 or less | $109,000 |
| Married filing jointly | $218,000 or less | $218,000 |
| Married filing separately | $109,000 or less | $109,000 |
Those are only the first thresholds. Income keeps climbing through five more tiers, each with a larger surcharge. To see the full set of brackets and the exact premium at every tier, read the 2026 IRMAA brackets. If you file separately from your spouse, the rules are stricter, which we cover in IRMAA and married filing separately.
A surcharge does not phase in gradually as you earn more. Each threshold is a hard edge. If your MAGI is one dollar over a threshold, you pay the full surcharge for that tier for the entire year. One dollar can cost hundreds.
That is why the income right around a threshold matters so much. If you are close to a line, a small change, such as the timing of a withdrawal or a Roth conversion, can decide which side you land on. See how to avoid the IRMAA cliff for the moves that help.
The figure measured against these thresholds is your MAGI, your adjusted gross income plus any tax-exempt interest. Social Security does not use your current income. It uses the most recent return the IRS has on file, which runs two years behind, so your 2026 surcharge is based on your 2024 MAGI.
Knowing exactly what feeds that number helps you plan. Read what counts as MAGI for the full list, and the 2-year lookback explainer for the timing.
Because the lookback is two years, a recent drop in income is not reflected right away. If your income fell because of a specific life event, such as retirement, the loss of a pension, or the death of a spouse, you may be able to ask Social Security to use your lower current income instead. See the life-changing events that qualify and how to appeal IRMAA.
Source: 2026 IRMAA thresholds and the standard Part B premium from SSA POMS HI 01101.020: IRMAA Sliding Scale Tables (2026); CMS 2026 Medicare Parts A & B Premiums and Deductibles Fact Sheet. MAGI definition per SSA publication 05-10536. Informational only, not financial or tax advice. Last verified June 2026.