Medicare Premiums Could Nearly Double by 2035 — and the System’s Overpayments Are Helping Drive It

By 2035, a retiree paying the average premium today could see their annual Medicare costs approach $5,000 if current trends continue.

That would nearly double the current $2,440 average annual premium — a jump driven not just by aging demographics and rising care costs, but by structural overpayments within Medicare Advantage plans. These private plans, which now cover more than half of Medicare beneficiaries, are being paid more than expected based on risk-adjusted patient profiles, according to a congressional committee review. The excess spending doesn’t stay isolated. It inflates total program costs, and since beneficiaries are responsible for 25% of those costs under Medicare Part B, the tab eventually lands in their monthly statements.

The standard Part B premium is $203 per month for most people, though higher earners pay more through income-related monthly adjustment amounts (IRMAA). Part D prescription drug premiums add further variability, with additional surcharges for high-income enrollees. When combined with supplemental coverage and out-of-pocket expenses, many retirees already spend several hundred dollars a month on health care.

For those living on Social Security or fixed income, the problem isn’t just the current cost — it’s the trajectory. Social Security cost-of-living adjustments often lag behind health care inflation. When premiums rise faster than income, retirees must either cut spending elsewhere or risk financial strain.

Some relief is available. Medicare Savings Programs can cover Part B premiums for low-income beneficiaries. Extra Help reduces Part D costs. Medicaid can serve as a backstop for those who qualify. And annual plan reviews during open enrollment may uncover lower-cost alternatives.

But for most, the bigger takeaway is strategic: health care is one of the few retirement expenses guaranteed to grow, often faster than anticipated. The most effective hedge isn’t a single program change — it’s building a dedicated health care buffer into retirement savings. Without one, even a well-structured plan may buckle under the weight of premiums that, by 2035, could near $5,000 a year.