Money
Social Security's 2027 Raise Is 3.6%. For 44% of Retirees, It's the Only Income They Have.
By Bear Creek Staff, . Bear Creek Capital Network.
A 3.6% cost-of-living adjustment to Social Security benefits has been announced for 2027, adding roughly $75 a month to the average payment. For the 44% of older Americans who rely on Social Security as their only source of retirement income, it is the entirety of their raise, and two separate pressures are already working against it.
Those figures come from a Motley Fool commentary column, published October 20, 2026, that drew on two surveys: The Senior Citizens League's 2026 Senior Survey and the 2026 Retirement Confidence Survey. The column is opinion and analysis, not a news report, and its interpretations are its own.
Who depends on Social Security most
The Senior Citizens League's 2026 Senior Survey found that roughly 24.8 million older Americans, about 44% of retirees, rely on Social Security as their only source of retirement income. That share was 39% a year earlier, according to the same source.
The 2026 Retirement Confidence Survey adds context: 52% of respondents had less than $100,000 saved for retirement, excluding the value of a primary home. The column cites that figure to illustrate how limited outside resources are for many retirees, though the survey covers respondents broadly and not only those already retired.
What 3.6% means in dollars
A cost-of-living adjustment, or COLA, is an annual change to Social Security payments intended to keep pace with inflation. The average monthly retirement benefit as of September 2026 was $2,089, or roughly $25,000 a year. A 3.6% increase on that figure comes to about $75 a month, bringing the average benefit to approximately $2,164, or about $26,000 annually. Retirees with higher benefits will see a larger dollar gain; those near the lower end will see less.
Two pressures that reduce the net gain
The adjustment will not arrive in full for everyone. Medicare Part B premiums, which cover outpatient medical care and are typically deducted directly from Social Security payments before they reach a recipient, are also rising. The column does not specify the new premium amount, but notes that rising premiums will eat into the overall increase.
There is also a structural issue with the COLA formula itself. The adjustment has long been calculated using an inflation measure tied to typical workers' spending rather than older Americans' spending. Because retirees tend to spend a larger share of their budgets on health care, the column argues the formula can understate the cost increases they actually face. That is the column's interpretation, not an established finding.
The longer-term funding question
Beyond 2027, the column flags a larger concern. The Social Security trust fund ran a surplus for decades, but that surplus is now shrinking. If Congress does not act, the surplus will eventually run out. Benefits would not fall to zero, because payroll taxes on current workers continue to fund the program, but that revenue alone would not cover full obligations. The likely result, absent legislative action, would be a benefit reduction of around 22%, according to the column.
Among the fixes the column mentions is changing the rules around which wages are subject to payroll tax, though it does not assess the likelihood of any specific approach passing.
What this means in practice
For retirees with savings or other income alongside Social Security, the 3.6% adjustment is one piece of a larger picture. For the 44% with no other income source, the adjustment is the whole picture. The practical trade-off is this: the COLA provides a guaranteed, inflation-linked increase each year, but the formula it uses may not fully reflect what retirees actually spend, Medicare deductions reduce what reaches the bank account, and the program's long-term finances depend on decisions Congress has not yet made.
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