The single most common retirement mistake is treating “retirement age” as one number. It is not. In the United States alone, three different federal thresholds shape what happens to your money, and picking the wrong one can cost tens of thousands of dollars over a 25-year retirement.
The Three Federal Thresholds
| Age | What happens | Practical effect |
|---|---|---|
| 59½ | Penalty-free access to 401(k), traditional IRA, and most pension accounts | Withdraw before this and you owe a 10% early-distribution penalty on top of income tax |
| 62 | Earliest Social Security retirement benefit | Benefit is permanently reduced — roughly 30% below your full amount if your full retirement age is 67 |
| 67 | Full Retirement Age (FRA) for anyone born in 1960 or later | You receive 100% of your calculated benefit |
| 70 | Maximum delayed retirement credits | Benefit grows about 8% per year past FRA — roughly 24% more than at 67 |
The gap between 62 and 70 is not a rounding detail. A worker with a $2,000 monthly benefit at FRA would receive about $1,400 at 62 and about $2,480 at 70, before annual cost-of-living adjustments. Over 20 years of retirement that difference exceeds $250,000.
Example: Two Workers, Same Salary
Consider two employees who both turn 62 in 2026 with an FRA of 67 and a projected benefit of $2,400 a month.
- Worker A claims at 62. Reduced benefit of roughly $1,680/month. By age 80, total collected is about $362,000.
- Worker B waits until 70. Benefit of roughly $2,976/month. By age 80, total collected is about $357,000.
The break-even point lands near age 80 to 81. Claiming early wins if you need the cash flow or have a shorter life expectancy; waiting wins if you expect to live into your mid-80s or beyond, which is the median outcome for a healthy 62-year-old.
The Rules Most People Miss
- The earnings test. If you claim before FRA and keep working, benefits are temporarily withheld above an annual earnings limit — in 2026 roughly $23,400, after which $1 is withheld for every $2 earned. The withheld amount is recalculated back into your benefit later.
- Taxation of benefits. Up to 85% of Social Security can be taxable depending on combined income, which includes tax-exempt interest. Many retirees are surprised by this line on their return.
- Spousal coordination. A lower-earning spouse often benefits from claiming based on the higher earner’s record. The higher earner should generally delay, because that delays survivor benefits too.
- Required Minimum Distributions. Traditional IRA and 401(k) withdrawals become mandatory at 73 (rising to 75 for younger cohorts), whether or not you want the income.
How to Find Your Own Numbers
Your official statement is the only authoritative source for your benefit estimate — it uses your actual earnings history rather than a generic rule of thumb. Before relying on any figure, pull that statement, then model the timing question against your real health, savings, and spending needs.
You can run the timing scenarios side by side with our retirement age calculator, which shows how each claim age changes your monthly benefit and cumulative lifetime total. For the underlying age arithmetic — FRA, delayed credits, and the 59½ threshold — pair it with the main age calculator to confirm exactly how many months separate two candidate dates.
Frequently Asked Questions
Does retirement age affect Medicare?
Medicare eligibility begins at 65 regardless of when you claim Social Security. Enrolling late can trigger permanent premium surcharges for Part B and Part D, which is one reason many people enroll at 65 even if they delay benefits.
Can I claim at 62 and switch later?
You can voluntarily suspend benefits at FRA, which resumes delayed credits. This is a legitimate strategy for those who need income early but expect to live long. It is not available before FRA.
Is 65 still the standard retirement age?
Not federally. 65 is the Medicare threshold and the long-standing cultural marker, but Social Security’s full retirement age has been 67 for anyone born since 1960. Company pensions sometimes set their own thresholds that differ again.


