The Social Security Administration announced on October 14th that benefits will increase by 3.6% in 2027, giving nearly 72 million beneficiaries their largest cost-of-living adjustment since 2023.
For the average retired worker, that translates into roughly $75 more a month, or $900 a year. The increase takes effect with January 2027 benefits.
That's certainly welcome news. But there's an important distinction between receiving more money and having more money available to spend.
For clients approaching or enjoying retirement, especially those with substantial retirement savings, the more meaningful question isn't simply how much Social Security is increasing. It's whether your entire retirement-income strategy is keeping pace with the rising cost of living.
Why Social Security Benefits Are Increasing
Social Security's annual cost-of-living adjustment, commonly called COLA, is designed to help benefits maintain their purchasing power as prices rise. The adjustment is calculated using changes in the Consumer Price Index for Urban Wage Earners and Clerical Workers, or CPI-W. For 2027, that index increased 3.6% between the third quarter of 2025 and the third quarter of 2026, and that's what determines next year's adjustment.
Here's an important point I want to make sure lands: a larger Social Security adjustment isn't necessarily a sign that retirees are becoming financially better off. It generally just means the cost of living has increased. If your benefits rise 3.6% but your expenses also rise 3.6%, your purchasing power has essentially stayed flat. And that assumes your personal expenses increased at the same rate as the index, which for a lot of retirees, simply isn't the case.
Your Personal Inflation Rate May Be Different
Inflation gets discussed as though everyone experiences it equally. We hear that inflation is 3%, 4%, or something higher, and naturally assume that's how much our own cost of living has gone up. But retirement spending rarely follows national averages perfectly.
Picture two retired couples. The first owns their home outright, drives relatively little, and spends most of their time on local activities. The second travels extensively, maintains a second residence, and carries significant healthcare expenses. Both couples receive the same percentage increase in Social Security benefits. But their actual expenses may behave very differently, healthcare costs, property taxes, insurance, travel, utilities, and home maintenance don't necessarily move at the same rate.
For some households, spending rises considerably faster than the national inflation measure. For others, it rises more slowly. The inflation rate that matters most to your retirement plan is the rate at which your own expenses are increasing. That's why reviewing your actual household spending is usually more useful than reacting to inflation headlines.
A 3.6% Social Security Increase Doesn't Mean Your Retirement Income Rises 3.6%
Here's where the numbers get interesting. Imagine a retired couple with a $1.5 million portfolio. They receive $60,000 annually in combined Social Security benefits and withdraw another $80,000 from their investments, for total annual retirement income of $140,000.
With the new 3.6% COLA, their Social Security benefits increase by roughly $2,160 annually. That helps. But suppose their overall retirement spending also increases by 3.6%, their annual spending needs would rise by $5,040. Social Security covers $2,160 of that increase. The remaining $2,880 has to come from somewhere else, perhaps their investments, perhaps another income source, or perhaps adjustments to spending.
This hypothetical example illustrates something important: Social Security's inflation adjustment applies to Social Security benefits. It doesn't automatically increase the income available from the rest of your retirement assets. For households whose portfolios fund a substantial portion of retirement spending, that distinction becomes more significant over time.
Inflation Protection Is a Portfolio-Wide Responsibility
A lot of retirees focus heavily on creating a dependable income stream, and for good reason. Knowing certain expenses can be covered by predictable income provides real financial comfort. But retirement income generally has two separate jobs. The first is producing enough money to meet current expenses. The second is maintaining enough purchasing power to meet future expenses. Those are related, but different, challenges.
Consider a pension paying $30,000 annually with no cost-of-living adjustment. That $30,000 may be extremely valuable today. But at 3% annual inflation, it would take roughly $40,300 ten years from now to purchase what $30,000 buys today. The pension keeps paying exactly what was promised. Its purchasing power, however, has quietly declined.
That's why some portion of a retirement portfolio may need to emphasize long-term growth rather than immediate income. Cash and high-quality fixed income can help provide liquidity and stability. Growth-oriented investments may help address purchasing-power risk over longer periods, though they also introduce market volatility and potential losses. A retirement portfolio shouldn't simply be designed to produce income today. It should help support the lifestyle you'll want 10, 20, or even 30 years from now.
What About Medicare Premiums?
There's another wrinkle worth knowing about this announcement. The amount actually deposited into your checking account may not increase by the full 3.6%.
A lot of Medicare beneficiaries have their Part B premiums deducted directly from their Social Security payments, so changes in Medicare premiums can affect the actual increase retirees see. As of October 19th, Social Security's announcement indicates individualized 2027 Medicare premium information will be available later this fall, with updated benefit notices beginning in late November or December.
For higher-income retirees, Medicare adds another layer of complexity. IRMAA, the Income-Related Monthly Adjustment Amount, can increase Medicare Part B and Part D premiums based on income, and these adjustments generally use tax information from two years earlier. That means decisions involving retirement-account withdrawals, Roth conversions, capital gains, and other income sources may influence future Medicare expenses.
That doesn't mean you should avoid those financial decisions. It means their consequences should be evaluated together. A tax-planning decision may create real long-term benefits even when it temporarily increases Medicare premiums. The goal is understanding the trade-offs ahead of time, not discovering them after the fact.
Taxes Matter, Too
Social Security benefits may also be subject to federal income taxes. Depending on household income, filing status, and other factors, as much as 85% of Social Security benefits can be included in taxable income. That doesn't mean benefits are taxed at an 85% rate, it means up to 85% of the benefits may be subject to your applicable tax rates.
For a lot of my clients, this is already part of their annual tax calculations. Still, understanding how Social Security interacts with investment income, retirement-account distributions, and other taxable income remains important. A larger gross benefit doesn't necessarily translate into an equally large increase in after-tax spending money. Which brings us back to a fundamental principle: what matters isn't simply how much income you receive. It's how much of that income remains available to actually support your lifestyle.
Should the New COLA Change Your Investment Strategy?
For most retirees, a 3.6% Social Security adjustment shouldn't trigger a major portfolio change by itself. An annual inflation adjustment is an expected feature of Social Security, not a market forecast or a signal to buy or sell particular investments.
The more useful response is evaluating whether your financial plan continues to function under changing economic conditions. If your expenses have increased faster than anticipated, your retirement-income projections may need updating. If your portfolio withdrawals have risen substantially, it may be worth evaluating their long-term sustainability. If your investment allocation was designed primarily around income generation, consider whether it also addresses future purchasing-power needs.
And if you're approaching retirement but haven't claimed Social Security yet, this announcement is another reminder of why understanding inflation-adjusted lifetime income matters when evaluating claiming strategies. For married couples, particularly where one spouse has a substantially larger benefit, Social Security decisions can also affect survivor income. These are long-term planning considerations. They shouldn't be decided by one year's cost-of-living adjustment.
The Signal and the Noise
Financial headlines will naturally focus on the 3.6% increase. Some will point out it's larger than last year's 2.8% adjustment. Others will question whether it adequately addresses rising costs. Those discussions have their place.
But for you individually, the percentage itself is largely a starting point. The more important signals are what the announcement tells us about retirement planning generally: inflation remains a meaningful risk, different households experience different increases in living expenses, not every source of retirement income adjusts with inflation, and taxes, healthcare premiums, and portfolio withdrawals all influence how much money is actually available to spend. A successful retirement strategy needs to account for all of it.
Five Questions Worth Asking Before 2027
As the year winds down, I'd encourage you to review:
How much have our actual household expenses increased over the past year? Don't rely exclusively on national inflation figures.
What percentage of our retirement income automatically adjusts for inflation? Identify which pensions, Social Security benefits, and other income sources do or don't increase.
Are our planned portfolio withdrawals still sustainable? Evaluate whether higher expenses have materially changed your long-term projections.
Have we considered the interaction between taxes, Medicare premiums, and retirement-account withdrawals? Individual decisions can ripple into several areas of your financial life.
Does our plan account for purchasing-power changes over the next 20 or 30 years? A plan that works at today's prices may need adjustments to keep working.
These questions aren't meant to create worry. They're meant to encourage informed decisions before small financial changes become larger challenges.
The Bottom Line
Social Security's 3.6% increase for 2027 is welcome news. For millions of retirees, those additional dollars will help offset rising living expenses.
But the adjustment is also a good prompt to revisit one of the most fundamental challenges in retirement planning: your retirement income needs to support not just the life you're living today, but the life you'll be living years from now. That means looking beyond any single income source. It means understanding the relationship between Social Security, investment withdrawals, taxes, healthcare costs, inflation, and long-term growth. And it means recognizing that financial security isn't measured simply by how much money comes into your household each month. It's measured by how effectively your financial resources support your needs, goals, and independence over time.
Because the objective of retirement planning was never merely generating enough income to retire. It's helping preserve the purchasing power, flexibility, and financial freedom to enjoy the retirement you've worked so hard to build.
If you'd like to talk through how this year's COLA fits into your own retirement income picture, that's a conversation I'd welcome having with you.
To play the game, you've got to know the rules.
This article is provided for educational purposes only and does not constitute individualized investment, financial, tax, or legal Sources: advice. Illustrations are hypothetical and do not represent actual investment results. Investing involves risk, including the possible loss of principal. Financial and tax-planning decisions should be evaluated in light of individual circumstances.
Social Security Administration — 2027 COLA Announcement, October 14, 2026; Social Security Administration — 2027 COLA Fact Sheet; Social Security Administration — How the COLA Is Calculated; Internal Revenue Service — Tax Guide for Seniors.