When Should You Take Social Security? Why Living Longer Changes the Math
One of the most consequential financial decisions you'll ever make doesn't involve picking a stock, choosing a fund, or timing the market. It's a single question with a deceptively simple answer: when should you start taking Social Security?
You can claim as early as 62 or as late as 70, and the difference between those two choices can be worth tens of thousands of dollars over your lifetime. The instinct for many people is to claim as soon as they're eligible. After all, it's your money, you've paid into the system for decades, and there's a natural pull toward taking a guaranteed check today rather than waiting for a larger one tomorrow. But for a meaningful number of retirees, that instinct works against them—and the reason comes down to how long people actually live.
The Claiming Window: 62 to 70
Social Security gives you an eight-year window to begin benefits, and each year you wait changes your monthly check in a predictable way.
Your full retirement age (FRA)—66 to 67 for most people retiring today—is the baseline. Claim before FRA and your benefit is permanently reduced. Claim at 62, the earliest possible age, and you'll receive roughly 30% less per month than you would at FRA. Wait beyond FRA, and you earn delayed retirement credits worth about 8% per year, all the way up to age 70. After 70, the credits stop, so there's no reason to wait any longer.
Put concretely: someone entitled to $2,000 per month at a full retirement age of 67 would receive about $1,400 if they claimed at 62, or roughly $2,480 if they waited until 70. That's a difference of more than $1,000 per month for the rest of their life—a gap that only widens once you factor in annual cost-of-living adjustments, which are calculated as a percentage of your benefit.
The Life Expectancy Reality
Here's where the conversation usually goes wrong. People tend to anchor their claiming decision on average life expectancy at birth, which hovers in the high 70s. But that number is the wrong yardstick, because it includes everyone who died young. Once you've made it to 65, you've already cleared the risks that pull that average down.
The relevant figure is life expectancy conditional on reaching 65. And it's higher than most people assume. A 65-year-old man today can expect to live to roughly 84. A 65-year-old woman can expect to reach about 87. These are averages, which means half of 65-year-olds will live beyond those ages. A 65-year-old woman has a meaningful chance of reaching 90 or older.
This matters enormously, because the entire case for claiming early rests on the assumption that you won't live long enough to benefit from waiting. The data says otherwise for most healthy retirees.
The Break-Even Point
To compare claiming early versus delaying, advisors look at the break-even age—the point at which the larger delayed checks have added up to more total lifetime income than the smaller early checks you would have collected in the meantime.
When you delay from full retirement age to 70, you give up several years of payments in exchange for a permanently higher monthly benefit. Those forgone checks take time to recover. Run the numbers, and the break-even point typically lands in the late 70s to early 80s—often somewhere around age 80 to 82, depending on your specific FRA and benefit amount.
Now line that up against the life expectancy figures. If a 65-year-old man is expected to live to 84 and the break-even for delaying is around 80 to 82, then on average he comes out ahead by waiting. For a woman expected to reach 87, the case is even stronger—she's likely to spend five or more years collecting the larger benefit after crossing break-even. In other words, for a typical healthy 65-year-old, delaying isn't a gamble on living to an unusual age. It's a bet that you'll live to roughly your statistically expected age, which by definition is a coin flip you win about half the time—and the upside of winning is years of higher income.
Longevity Insurance, Not Just Break-Even Math
There's a subtler point that pure break-even analysis misses. Social Security is one of the only sources of inflation-adjusted income you cannot outlive. By delaying, you're not just chasing a higher lifetime total—you're buying protection against the financial risk of a very long life.
If you die early, you'll have lost some income, but you won't be around to feel the shortfall. If you live to 95, the larger delayed benefit could be the difference between comfort and strain in your final decades, precisely when your portfolio may be depleted and your other options are limited. Delaying hedges the outcome that actually hurts.
This is especially important for married couples. When one spouse dies, the survivor keeps the larger of the two benefits. A higher earner who delays to 70 isn't just maximizing their own income—they're locking in a larger survivor benefit for a spouse who may live many years longer. For couples, the longevity of the longer-living spouse often drives the optimal claiming strategy.
When Claiming Early Still Makes Sense
None of this means everyone should wait until 70. Claiming early can be the right move if you have a serious health condition or a family history that points to a shorter life expectancy. It can make sense if you simply need the income to cover essential expenses and have no other resources to bridge the gap. And for some, drawing Social Security early allows a portfolio to keep growing, or supports a Roth conversion strategy in lower-income years before benefits and required distributions begin. There are also coordination issues—taxes, IRMAA Medicare surcharges, and spousal timing—that deserve careful analysis.
The Bottom Line
The right claiming age is personal, but the framing should start from the right data. For a healthy 65-year-old, the odds of reaching the break-even age are good—and the odds of living well past it are better than most people expect. Before you default to claiming at 62, it's worth running your own numbers against your health, your spouse's situation, and your broader retirement income plan. Pape Financial provides retirement planning services locally in Bentonville, AR, and virtually anywhere in the United States, and charges an hourly fee for services performed. Click here to schedule a free consultation.
This article is for educational purposes and does not constitute individualized financial advice. Your optimal claiming strategy depends on your specific circumstances—consult a fiduciary advisor before making a decision.