Millions of Americans depend on Social Security benefits to manage their retirement expenses. These payments help cover daily needs such as food, rent, medicine, and transportation. But as living costs rise, many seniors worry that their monthly checks may not be enough.
Now, the government has confirmed an important deadline: December 7. This date is crucial for retirees who want to review or change their Medicare coverage before new cost increases take effect in 2026.
Understanding the changes coming next year can help seniors prepare better and avoid financial pressure.
How Social Security Benefits Are Calculated
Your Social Security benefit is based on your lifetime earnings. The more you earned and contributed through payroll taxes, the higher your benefit amount will be in retirement.
In 2025:
- Maximum Social Security benefit at full retirement age: $4,018 per month
- Average Social Security benefit: $2,008 per month
In 2026, both payments will increase by 2.8% through the Cost of Living Adjustment (COLA). This helps, but rising healthcare costs may reduce how much money seniors actually take home.
Projected Medicare Cost Increase for 2026
A major financial concern for retirees next year is the steep increase in Medicare Part B premiums. Since these premiums are automatically deducted from Social Security checks, they directly reduce monthly income.
Here is the expected cost change:
Medicare Part B Premium Increase
| Item | 2025 Cost | Projected 2026 Cost | Increase |
|---|---|---|---|
| Part B Monthly Premium | $185 | $206.50 | +$21.50 |
This is an 11.6% increase. While seniors receiving the maximum benefit may not feel the impact strongly, the increase can be difficult for those who receive the average amount or lower.
Experts say rising expenses continue to be a big challenge for retirees living on fixed incomes. Many seniors rely entirely on Social Security, so even small hikes in medical costs can create financial strain.
Understanding Medicare Coverage
Medicare is a national health insurance program mainly for adults aged 65 and older. Some younger people also qualify if they have certain disabilities or medical conditions.
Medicare has four main parts:
- Part A: Covers hospital care
- Part B: Covers medical services
- Part C (Medicare Advantage): Private insurance plans with added benefits
- Part D: Covers prescription drugs
The biggest upcoming cost increase is for Part B, which most retirees use for doctor visits and outpatient care.
The December 7 Deadline Explained
The annual Medicare enrollment period gives seniors time to review or change their health plans. This window remains open until December 7. Seniors are encouraged to check how the new 2026 cost changes will affect their budgets.
If the higher Part B premium makes your expenses too heavy, you still have options. Before December 7, retirees can:
- Switch to a Medicare Advantage (Part C) plan
- Review Part D drug plans
- Compare out-of-pocket costs to find a better match for their budget
These changes can help lower total monthly expenses, especially for seniors managing tight budgets.
The year 2026 will bring both a Social Security increase and higher Medicare costs. While the 2.8% COLA boost will help, the 11.6% jump in Medicare Part B premiums could reduce how much seniors actually receive each month.
The good news is that retirees still have time to prepare. By taking action before the December 7 deadline, seniors can review their plans, make smart choices, and protect their financial comfort.
Planning early can make a big difference in how manageable retirement expenses feel in the coming year.
FAQs
Why is the December 7 deadline important?
It is the last day for seniors to change or review their Medicare plans before new 2026 costs begin.
How much will Medicare Part B cost in 2026?
It is expected to rise from $185 to about $206.50, an increase of $21.50 per month.
Will Social Security benefits increase in 2026?
Yes, benefits will increase by 2.8% due to the COLA adjustment.




