Delay the higher earner’s Social Security to 70 and you lock in the largest possible check for whichever spouse lives longest.

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For married couples, few Social Security decisions carry more weight than when the higher earner starts benefits. The choice does not just set that person’s monthly check; it also determines the survivor benefit the widow or widower will live on after the first spouse dies. Delaying the larger benefit as long as possible is one of the most reliable ways to protect the spouse who lives longest, and the mechanics reward patience.

How delaying to 70 raises the survivor’s check

When one spouse in a couple dies, Social Security does not pay both benefits to the survivor. The survivor instead keeps the larger of the two amounts, and the smaller one goes away. That single rule is why the higher earner’s claiming age echoes for the rest of both lives: whatever that person locked in becomes the floor the survivor stands on.

A worker who waits past full retirement age to claim earns delayed retirement credits, which raise the benefit by about 8 percent for each year of delay, up to age 70, according to the Social Security Administration. Those credits do more than lift the worker’s own check. Because a survivor benefit is based on the deceased worker’s benefit including any delayed retirement credits, the increase carries over to the widow or widower, as the agency’s survivor rules describe. Claiming at 70 therefore sets the highest possible benefit not only for the higher earner but for whichever spouse outlives the other.


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What the delay is worth in dollars

The size of the boost is substantial. For someone whose full retirement age is 67, waiting until 70 adds roughly 24 percent to the monthly benefit, the sum of three years of credits, as the SSA illustrates for workers born in 1960 or later. On a full-retirement-age benefit of $2,000 a month, that delay would lift the check to about $2,480. If the higher earner dies first, the survivor would step up to roughly that larger amount for the rest of their life, rather than the $2,000 the couple would have locked in by claiming at 67. Across a survivor’s remaining twenty or more years, the difference can run well into six figures.

The downside of the opposite choice is just as durable. If the higher earner claims early, at 62 for instance, the benefit is permanently reduced, and that reduced amount becomes the ceiling for the survivor as well. A couple that grabs the larger benefit years ahead of full retirement age can therefore lock in a survivor check roughly a third smaller than it might have been, a shortfall the widow or widower cannot undo later. Because both the reduction from early claiming and the credits from delaying flow through to the survivor, the higher earner’s timing works in both directions, rewarding patience and penalizing an early grab for decades to come.

The survivor does not have to be at full retirement age to receive the benefit, though timing affects the amount. A widow or widower can generally begin a survivor benefit as early as age 60, but claiming before full retirement age reduces it, while waiting until full retirement age pays the full survivor amount. What waiting on the survivor side does not do is add further delayed retirement credits, so the way to maximize a survivor benefit is on the front end, through the higher earner’s decision to delay, rather than on the back end after a death has already occurred.

Longevity insurance for the spouse left behind

Viewed this way, delaying the higher benefit functions less like a bet on the worker’s own lifespan and more like insurance for the survivor. Spouses often live very different lengths of time, and the surviving partner, frequently a wife who outlives her husband, may depend on that single check for a decade or longer. A larger survivor benefit also cushions the loss of the smaller benefit, which disappears at the first death and can leave a household with far less income than two people once shared. Because the odds that at least one member of a couple lives into their late eighties are high, the larger check tends to keep paying long after the delay is a distant memory.

The tradeoffs worth weighing

Waiting until 70 is not free. The higher earner forgoes benefits during the years spent waiting, so the strategy generally suits couples who can cover expenses from savings, a pension, or continued work in the interim. The lower earner, by contrast, often claims earlier, bringing some income into the household while the larger benefit keeps growing; the filing rules for retirement and spousal benefits govern how the two claims interact. Health and family longevity matter too: a higher earner in poor health, or a household with no surviving spouse to protect, may find less value in the delay.

Coordinating the delay with the rest of a retirement plan makes it more manageable. Some couples use the years before 70 to convert traditional retirement savings to Roth accounts while taxable income is temporarily low, or to draw down taxable accounts that would otherwise inflate future required withdrawals. Those moves can trim lifetime taxes at the same time the larger benefit is being secured, so the waiting period does double duty rather than simply postponing income. Framed that way, the delay is less a sacrifice than a deliberate use of the pre-benefit years.

Bridging the gap to 70 usually means drawing on other resources for a few years. Retirees often spend down taxable savings, tap a portion of an IRA, or keep working part time to cover expenses while the larger benefit grows untouched. Spending savings in order to delay can look counterintuitive, but it effectively converts a pool of money that could run out into a larger stream of guaranteed, inflation-adjusted income that neither spouse can outlive. For most couples where one spouse is likely to survive the other, that trade is exactly the protection a surviving partner needs most, and it turns the higher earner’s claiming age into a lasting decision for two people rather than one.


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This article was researched and drafted with AI assistance and reviewed against the linked primary sources.

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