Most people spend decades planning for the financial risks of retirement. Almost no one plans for the social ones. Yet the risk that derails the final chapter of life is rarely running out of money. It is running out of people.

Roughly 28% of Americans age 65 and older now live alone, according to Census and KFF Health News data, up from about 10% in 1950. More than 38 million Americans of all ages currently live alone, the highest share ever recorded. About one in three Americans between 45 and 62 is single, and roughly 12% of adults over 50 have no spouse and no children at all, a group researchers now call “kinless seniors.”

That is a lot of people entering retirement without a built-in financial and logistical partner, yet almost every retirement planning framework in this country was written for two people, not one. The math, the assumptions and the fallback options all assume a spouse is standing somewhere in the background. When that spouse doesn’t exist, some of the most basic rules of retirement planning stop working the way they were designed to.

When Markets Fall, Singles Have No Second Income
A married retiree who gets hit with a market downturn often has a spouse’s income, pension or Social Security check to lean on while the portfolio recovers. A single retiree does not. Picture someone with a $2 million portfolio spending $80,000 a year who watches the market drop 30% in the first two years of retirement. With no second income to fall back on, that retiree may be forced to sell depressed assets simply to cover living expenses, locking in losses at exactly the wrong moment.

This is called sequence of returns risk, and it hits solo retirees far harder, which is why cash reserves, bond ladders and flexible withdrawal strategies matter more for singles than conventional planning models tend to assume.

Long‑Term Care Isn’t Just About Money For Singles
For married couples, the long-term care question is usually framed as a financial one: Can we afford it? For a single person, the more urgent question is who will actually manage it.

A spouse can coordinate caregivers, notice early cognitive decline and advocate at the hospital. A single person may have nobody performing that role at all, which makes long-term care insurance, professional care coordinators and continuing care communities a far more central part of the plan rather than an optional add-on.

When The Family Home Turns Into A Burden
Many older singles remain in the house they raised a family in simply because leaving feels emotionally impossible. However, a four-bedroom home built for a family can become a financial and physical burden for one person living alone.

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