Unretirement, by the Numbers

Going Back to Work by Choice — and What It Does to Your Benefits and Taxes

Wednesday, August 5, 2026 · Money & Work · 10 min read

On Monday we made the case for the encore — that purpose is medicine, and that going back to work in the third age is increasingly a choice, not a defeat. Today, on Wednesday’s turf, we do the unglamorous but essential part: the math. Because “unretirement” is wonderful for the soul, and it comes with three rules about your Social Security and your taxes that, if you don’t know them, can turn a good decision into an expensive surprise.

The trend is real. A February 2026 AARP survey found a rising share of retirees have returned to work; Fidelity’s 2026 research found a majority of people now plan to phase into retirement gradually — consulting, gig work, a small business — rather than stopping cold. Adults 55 to 64 have the highest rate of entrepreneurship in the country, and the overwhelming majority start by choice. So this is not a niche situation. It’s the new normal, and it deserves to be done with eyes open.

Here are the three rules that govern the money side of going back to work.

Rule 1: The earnings test — the trap that isn’t quite a trap

This is the big one, and it’s the most misunderstood number in all of Social Security. If you have already claimed your benefits and you’re still under Full Retirement Age, the government temporarily holds back some of your check when your earnings pass a limit. For 2026:

• If you’re under Full Retirement Age all year, Social Security withholds $1 for every $2 you earn above $24,480.
• In the year you reach Full Retirement Age, the test loosens dramatically: $1 withheld for every $3 above $65,160, and only for the months before your birthday.
• From the month you reach Full Retirement Age onward, there is no limit at all — earn a million dollars, and not a penny of your benefit is withheld.

(Full Retirement Age is 67 for anyone born in 1960 or later.)

Now the part almost everyone gets wrong, and it changes the whole decision: the withheld money is not lost. It is not a penalty or a tax. When you reach Full Retirement Age, Social Security recalculates and gives it back to you in the form of a permanently higher monthly benefit. So the earnings test isn’t a wall — it’s a deferral. You’re not forfeiting those dollars; you’re rescheduling them to later checks. Understanding that single fact turns “I can’t afford to work” into “I need to plan the timing,” which is a very different conversation.

The practical takeaway: if you’ve claimed early and you’re going back to work in a real way, either keep earnings under the limit if the reduced checks would pinch your monthly cash flow, or — often smarter — recognize that the “reduction” is temporary and comes back to you, and let the work and the purpose win. And if you haven’t claimed yet, this is a strong argument for waiting: every year you delay past Full Retirement Age up to 70 adds about 8% to your benefit for life, and there’s no earnings test to navigate at all.

Rule 2: Working can actually raise your benefit

Here’s the pleasant surprise the earnings-test anxiety hides. Your Social Security benefit is calculated from your highest 35 years of earnings. For many people, some of those 35 years are low — early-career wages, or zeros from years not working. When you go back to work now, at a good salary, those high-earning years can replace the old low ones in the formula, nudging your lifetime benefit upward. Social Security recalculates automatically each year you have new earnings. So work in your 60s isn’t just income today — for some people it quietly buys a bigger benefit for the rest of their life.

Rule 3: The taxes — where the new income really lands

This is where unretirement meets last week’s Retirement Tax Bomb. New earned income stacks on top of everything else, and three things can happen:

First, more of your Social Security becomes taxable. Whether your benefits are taxed depends on your “provisional income,” and a paycheck pushes that number up — so a return to work can make a previously untaxed benefit partly taxable.

Second, you can land in a higher tax bracket, since the new income sits on top of your pensions, withdrawals, and benefits.

Third — the sneaky one — IRMAA, the Medicare surcharge. Cross certain income thresholds (about $109,000 single / $218,000 married in 2026) and your Medicare Part B and D premiums jump, on a two-year delay. A lucrative consulting year at 65 can raise your Medicare premiums at 67.

None of this means don’t work. It means run the numbers before you commit — ideally with a tax professional who can show you where the bracket lines and the IRMAA cliffs fall for your situation, so you can size the work (or time the income) to stay on the good side of them.

One special note: disability and other benefits

If any part of your income is Social Security Disability (SSDI) rather than retirement benefits, the rules are entirely different and stricter — there are substantial-work limits that can suspend the benefit. And VA disability compensation is not affected by work income at all. If your situation includes disability benefits, get advice specific to your program before you take on work, because the retirement-benefit rules above do not apply.

The design reframe

Everything on this page comes back to our Wednesday theme: the money side of later life is not something that happens to you — it’s something you design. Unretirement is one of the most life-giving choices in the third age, and the only thing that turns it sour is a surprise. So make it deliberate. Know that the earnings test defers rather than destroys, that new work can grow your benefit, and that the tax and Medicare lines are knowable in advance. Do that, and you get the purpose and the paycheck without the regret.

If you’ve unretired — and hit a benefits or tax surprise, or navigated it smoothly — tell us through the contact page. The reader deciding whether they can afford to go back to work will learn more from your experience than from any chart.

This article is general information, not tax or financial advice. Social Security rules and thresholds change annually and depend on your exact situation; confirm with the Social Security Administration and a qualified tax professional before acting.

---

The Bold & The Wise publishes every Monday, Wednesday, and Friday at 6:30 AM Central. Wednesday is Legal, Money & Family.