Retirement Social Security

5 Biggest Lies Retirees Living on Social Security Need to Stop Telling Themselves

These benefit myths can derail a retirement budget.

By Chris Lewis, CEPF , Edited by Laura Hohenstein

Updated Oct. 14, 2026

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A retirement plan can appear solid on paper, but it can still leave little room for rising bills, surprise medical costs, taxes, or a policy change. So, when living on Social Security alone, it can be even more alarming to know your original plan may not go as far as you had hoped.

Seniors aren't naive for believing things will turn out OK, but they should do a reality check to make sure they're not buying into myths. These assumptions about inflation, taxes, health care, and even the Social Security program's future may leave seniors without a firm foundation for making the right decisions.

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Social Security will keep me comfortable

The monthly Social Security benefit can certainly play a role in a balanced retirement plan, but it shouldn't serve as the end-all, be-all. That's because it is generally designed to replace about 40% of pre-retirement earnings for an average wage earner — not enough for many people to maintain their previous lifestyle.

Can you cut costs to accommodate? Sometimes. But with the average retired-worker benefit estimated at about $2,071 per month in 2026, Social Security alone may not meet the needs of someone facing high housing costs, debt, and rising health care expenses. Add in inflation, long-term care, or nursing costs, and it's easy to see how this lie just doesn't add up.

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My yearly COLA will keep up with costs

The Social Security cost-of-living adjustment (COLA) is designed to boost monthly payments to track with inflation, but it's based on an inflation measure that doesn't always match a retiree's spending mix. The 2026 COLA is 2.8%, based on the change in the Consumer Price Index for Urban Wage Earners and Clerical Workers (CPI-W) from the third quarter of 2024 through the third quarter of 2025.

But this may be inadequate for some spending categories, including the recent jump in fuel prices or a rise in Medicare costs. Those in high-cost-of-living areas or dealing with sharp tax or insurance increases may find that the small benefit lift doesn't carry as much of the burden.

Social Security benefits are tax-free

Payroll contributions to the Social Security system came from workers' earnings, and many retirees assume benefits are automatically exempt from tax. The SSA says around 40% of people receiving benefits pay federal income taxes on their benefits, and this fact doesn't account for state or local taxes that can take even more.

What matters is your combined income: adjusted gross income, nontaxable interest, and half of your Social Security benefits. This number determines how much tax (if any) you'll pay and is even more important if you're planning to sell investments, downsize a home, or take a sizable retirement account distribution.

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I should claim early to protect from future cuts

Claiming your Social Security benefits before full retirement age (FRA) permanently reduces your monthly benefit by around 30% and keeps you from earning delayed credits for an even bigger check.

Yes, the 2026 Trustees Report projects that the OASI Trust Fund will be able to pay full scheduled benefits until the fourth quarter of 2032. If lawmakers do not act, continuing tax income would then cover an estimated 78% of scheduled OASI benefits.

Absent congressional action, current-law projections imply that payable OASI benefits would be lower for beneficiaries generally, including people who claimed earlier and those who claimed later. And a reduction to an already reduced benefit isn't likely to be the solution you had hoped for.

Medicare will pay for most of my health care

Medicare is an important part of coverage for many seniors, but it doesn't pay for everything. Seniors still have monthly premiums, deductibles, coinsurance, prescription costs, and supplemental-plan premiums to maintain their preferred level of coverage and care. Add in dental, vision, hearing, and long-term care costs, and it's very likely health care will require a significant budget allocation.

Medicare can be more stable than some employer-sponsored plans, marketplace options, or going without. Medicare beneficiaries spend an average of $6,459 a year in health care, meaning it's something you'll have to continue paying for after age 65.

Bottom line

Living on just Social Security doesn't mean you've failed, as it is still a pillar of retirement income for many. The risky part is relying on comforting assumptions of what it will cover instead of creating a math-based, personalized plan that's realistic about your specific retirement expenses.

Benefit amounts, inflation adjustments, taxes, health care expenses, claiming choices, and the system's financing outlook can all affect the amount of money actually available each month. Since any one of these can quickly change, planning out a few likely scenarios in advance can take the surprise (and sting) out of an unexpected retirement expense or change in benefits.

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