Retirement Social Security

The Unfortunate Truth About Claiming Social Security at 70

Why delaying Social Security until 70 doesn't always pay off

By Chris Lewis, CEPF , Edited by Laura Hohenstein

Updated Aug. 9, 2026

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For years, the advice has been simple: wait until 70 to claim Social Security. On paper, it makes sense. Delayed retirement credits increase your benefit by about 8% per year past full retirement age, boosting your monthly check by roughly 24% to 32%. That's hard to ignore.

But the bigger check only tells part of the story. In practice, waiting until 70 only works well under certain conditions, and for many retirees, it could backfire. Before you lock in a strategy, it's worth looking at the tradeoffs and how to avoid wasting your retirement savings.

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The "bigger check" comes with a long breakeven timeline

Yes, waiting until 70 gives you the highest monthly senior benefit. But you're also giving up years of payments in the meantime.

For many people, it takes about a decade of larger checks just to break even compared to claiming earlier. That means you may not come out ahead until your early or mid-80s. That's not a guarantee. Life expectancy in the U.S. suggests many retirees won't reach that breakeven point, which turns the strategy into more of a calculated gamble than a sure win.

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You may be trading income now for uncertainty later

Delaying Social Security often means going years without that steady monthly income. That gap has to be filled somehow. For some retirees, it means drawing down investment accounts faster than planned. For others, it could mean delaying retirement altogether or picking up part-time work.

Neither option is inherently bad, but it does introduce pressure. If markets dip early in retirement, withdrawing more from savings could amplify losses and reduce long-term portfolio durability.

Health matters more than the math

The strategy of waiting until 70 assumes you'll not only live long enough to benefit but also be able to enjoy it. In reality, health often becomes less predictable in your late 60s and early 70s. Some retirees face mobility issues, chronic conditions, or reduced energy levels just as their income peaks.

That doesn't mean waiting is wrong. But it does mean the "maximize your benefit" approach can overlook a key question: when are you most able and likely to use that money meaningfully?

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A larger benefit could increase your tax burden

A higher Social Security check doesn't automatically translate to more usable income.

Up to 85% of Social Security benefits can become taxable depending on your provisional income. Larger monthly payments, combined with withdrawals from retirement accounts, could push you into higher taxable thresholds.

This can create a situation where the increase in benefits is partially offset by higher taxes, something many retirees don't anticipate when focusing only on the headline monthly number.

The strategy works best for specific situations

Waiting until 70 can still make sense, but usually under certain conditions.

It may be more effective if you expect to live a longer-than-average lifespan, have strong savings and don't need the income right away, or are a higher earner in a married couple.

For couples, especially, the decision carries extra weight. The higher earner's benefit often becomes the surviving spouse's benefit, which makes delaying more valuable in that context.

Claiming earlier isn't automatically a mistake

There's a tendency to treat claiming before 70 as leaving money on the table. But that framing can be misleading.

Taking benefits earlier can:

Provide a steady income during active retirement years
Reduce pressure on investment accounts
Offer more flexibility if plans change

In many cases, a balanced approach of using Social Security alongside withdrawals and other income can create more stability than waiting for the maximum benefit alone.

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Inflation protection sounds strong, but timing still matters

One of the biggest advantages of Social Security is its built-in cost-of-living adjustments (COLAs), which help benefits keep up with inflation over time. Waiting until 70 locks in a higher base benefit, which means larger COLA increases in dollar terms.

But that benefit only compounds if you're collecting it. If inflation stays elevated during your 60s, delaying could mean missing out on years of inflation-adjusted income when costs are already rising. In other words, the protection is real, but the timing of when you access it still matters just as much.

The real decision is about timing, not maximizing

The biggest misconception is that Social Security claiming is about getting the largest possible check. In reality, it's about aligning income with your life. This means considering your health, spending needs, savings, and family situation.

For some, waiting until 70 will likely pay off. For others, claiming earlier could provide more security and flexibility when it matters most.

Bottom line

Waiting until 70 often looks like the smartest move on paper, but it's not a one-size-fits-all solution. The higher monthly benefit only pays off if you live long enough, stay healthy enough, and can afford to delay income without straining your finances.

A more practical approach is to match your claiming strategy to your life, not just the math. One often-overlooked factor is sequence risk: drawing heavily from investments while delaying Social Security could leave your portfolio more exposed to early market downturns, which might reshape your long-term retirement plan.

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