In 2026 a retired couple with a modified adjusted gross income of just 102000 dollars will pay an extra 1740 dollars a year in Medicare premiums because of IRMAA. That figure comes straight from the Centers for Medicare and Medicaid Services final rate announcement released in late 2025.

IRMAA stands for Income Related Monthly Adjustment Amount. It is not a tax but it feels like one to many people over 65 who worked hard to build a solid nest egg only to see part of it handed back through higher Part B and Part D premiums.

The surcharges are based on your tax return from two years earlier so 2024 income decides what you pay in 2026. Once you are on Medicare the Social Security Administration reviews your IRS data each year and sends a letter if you owe more.

Understanding the brackets, the income types that count, and the handful of legal ways to reduce exposure can save thousands of dollars over a retirement that may last 20 or 30 years.

What Exactly Triggers IRMAA

IRMAA kicks in when your modified adjusted gross income exceeds 103000 dollars for a single filer or 206000 dollars for a couple filing jointly in 2026. MAGI for this purpose equals your adjusted gross income plus tax exempt interest plus foreign earned income exclusions.

The brackets are adjusted each year for inflation but they still catch many retirees who receive required minimum distributions from traditional IRAs, large pension payments, or capital gains from the sale of a second home. In 2024 roughly 8 percent of Medicare beneficiaries paid an IRMAA surcharge according to the Medicare Payment Advisory Commission.

That number has grown steadily since the policy began in 2007 under the Medicare Modernization Act. The Social Security Administration uses your two year old tax return so a one time spike in income such as converting a large IRA to a Roth can raise premiums for two full years.

The 2026 Brackets and Monthly Costs

For 2026 the standard monthly Part B premium is 185 dollars. A single person with MAGI between 103001 and 129000 dollars pays an extra 74.00 dollars per month. The next tier adds 185.00 dollars on top of the base.

At the highest level a single filer with income above 257000 dollars pays 506.00 dollars extra each month for Part B alone. Part D surcharges follow the same income tiers but the added amount is smaller ranging from 13.70 dollars to 81.00 dollars per month in 2026.

A couple filing jointly faces the same surcharges once their joint MAGI crosses 206000 dollars. These amounts are published each fall in the CMS Medicare Program Rates announcement and they apply for the entire calendar year once set.

Most people first learn about their surcharge when they receive the Initial IRMAA Determination letter from Social Security about three months before the new year begins.

Which Income Sources Count

Taxable IRA distributions, 401k withdrawals, pensions, wages, Social Security benefits that are taxable, interest, dividends, and capital gains all raise your MAGI. Roth IRA qualified distributions do not count.

Editor's Pick · Related to this article

Trust & Will

Protect your family with an estate plan. Wills from $159, trusts from $399.

We may earn a commission from qualifying purchases. Picks are chosen for adults 50+.

Tax free municipal bond interest is added back in for the IRMAA test even though it is not taxed. The sale of appreciated stock in a single year can push you into a higher bracket for two years.

Life insurance proceeds and gifts received do not count. The IRS Form 1040 line 11 adjusted gross income is the starting point then two specific lines from Schedule 1 and tax exempt interest from Form 1040 are added.

Knowing exactly which lines matter lets you plan withdrawals years in advance. Financial planners often run multi year tax projections that show the IRMAA cliff and suggest spreading income over several years.

Four Practical Ways to Reduce or Avoid the Surcharge

First, complete Roth conversions in years when your income is below the IRMAA threshold so that future qualified distributions stay tax free and do not count. Second, delay taking large capital gains by holding investments until you are in a lower bracket or using tax loss harvesting to offset gains.

Third, use a Qualified Charitable Distribution from your IRA once you reach age 70 and a half; it satisfies your required minimum distribution without increasing taxable income. Fourth, if your income drops sharply because of retirement, divorce, or death of a spouse you can file Form SSA 44 with Social Security to request a reduction in your IRMAA based on a life changing event.

The form must be filed within three years and you need to attach proof such as a marriage certificate or pension termination letter. Many retirees successfully lower their premiums this way each year.

Real World Examples From Recent Retirees

A 68 year old widow in Ohio had a MAGI of 118000 dollars in 2024 after selling rental property. Her 2026 Part B premium jumped from 185 dollars to 259 dollars per month adding 888 dollars to her annual cost.

After filing Form SSA 44 in January 2026 with proof that rental income had ended her surcharge was removed for the rest of the year. Another couple in Florida converted 80000 dollars from a traditional IRA to a Roth in 2023.

That pushed them over the 206000 dollar line for 2025 premiums. They paid an extra 3700 dollars that year but their future required minimum distributions became much smaller and they stayed under the threshold in 2026 and beyond.

These cases come from summaries published by the Medicare Rights Center and from financial advisor reports in the Journal of Accountancy.

How to Check Your Own Situation Today

Pull your most recent tax return and add your adjusted gross income to any tax exempt interest shown on line 2a of Form 1040. Compare that total with the 2026 brackets posted on the SSA.gov IRMAA page.

If you are close to a threshold run a projection for next year using last year tax software or a planner. Medicare.gov also offers a premium estimator tool that includes IRMAA.

Set a calendar reminder to review your situation every October when new brackets are released. Small moves made now can protect your monthly cash flow for the rest of your retirement.

Long Term Planning That Pays Off

Retirees who coordinate IRA withdrawals, charitable giving, and investment sales with an eye on the two year IRMAA look back period routinely save five figure sums over a decade. The key is to treat Medicare premiums as a controllable expense rather than a fixed cost.

Many people in their early 60s run what if scenarios with a tax advisor before they turn on Social Security or start required minimum distributions at age 73. The savings compound because lower premiums free up more money that can stay invested or be used for travel and health care.

CMS projects that IRMAA will affect 9.4 percent of beneficiaries by 2030 so the topic is only growing in importance.

185
Standard monthly Part B premium in 2026
103000
Single filer MAGI threshold to trigger first surcharge
206000
Joint filer MAGI threshold to trigger first surcharge
1740
Extra annual cost for a couple just over the first bracket
8
Percent of Medicare beneficiaries who paid IRMAA in 2024
506
Highest monthly Part B surcharge for single filers

2026 Medicare Part B IRMAA Surcharges by Income

Single under 103k
0
Single 103-129k
$74
Single 129-161k
$185
Single 161-257k
$370
Single over 257k
$506
Source: Centers for Medicare and Medicaid Services, 2025 Rate Announcement

IRMAA Brackets for 2026

Filing StatusMAGI RangePart B SurchargePart D Surcharge
SingleBelow 10300000
Single103001 to 1290007413.70
Single129001 to 16100018535.30
Single161001 to 25700037057.00
SingleAbove 25700050681.00
JointBelow 20600000

Medicare IRMAA is one of the few retirement expenses you can still influence after you stop working. By tracking your modified adjusted gross income two years ahead and using Roth conversions, charitable distributions, and life changing event appeals you can keep more of your savings in your own pocket.

The rules are clear and the savings are measurable. Take 30 minutes this month to review last years tax return against the current brackets. A few smart moves now can protect thousands of dollars every year for the rest of your life on Medicare.

The Centers for Medicare and Medicaid Services publish the numbers each October. Use them.

Sources

  • Centers for Medicare and Medicaid Services, 'Medicare Program Rates and Announcements,' CMS.gov (2025)
  • Social Security Administration, 'Medicare Income-Related Monthly Adjustment Amount,' SSA.gov (2026)
  • Medicare Payment Advisory Commission, 'Report to the Congress: Medicare Payment Policy,' MedPAC (2025)
  • Medicare Rights Center, 'IRMAA Appeals and Life-Changing Events,' MedicareInteractive.org (2024)
  • Internal Revenue Service, 'Form 1040 Instructions,' IRS.gov (2024)
  • Journal of Accountancy, 'Tax Planning for Medicare Surcharges,' AICPA (2025)