There is no age at which you are legally required to start taking Social Security retirement benefits. The program is voluntary, and you can delay claiming as long as you want. However, there is no financial incentive to wait past age 70, because your benefit stops growing at that point. Most people claim somewhere between 62 and 70, and understanding the trade-offs at each age is the key to making a smart decision.
Why Age 70 Is the Practical Deadline
Social Security rewards you for waiting with delayed retirement credits, which increase your monthly benefit for every month you postpone past your full retirement age. Those credits stop accumulating once you turn 70. If you haven’t filed by then, you’re simply leaving money on the table, collecting nothing while your benefit stays flat.
If you do wait past 70 to file, the Social Security Administration can pay you up to six months of retroactive benefits. But it cannot pay retroactive benefits for any month before you reached full retirement age, and the maximum lookback is six months. So filing at 70 and a half would get you a lump sum covering those extra months, but waiting until 72 would not get you two years of back payments. You’d just lose those months permanently.
The Earliest You Can Claim: Age 62
The earliest you can start collecting retirement benefits is 62, and you must be 62 for the entire month to qualify. Claiming early comes with a permanent reduction to your monthly check. How much depends on your full retirement age and how many months early you file.
For anyone born in 1960 or later, full retirement age is 67. That means claiming at 62 puts you 60 months ahead of schedule, and your benefit is reduced by 30%. If your full benefit at 67 would be $2,000 a month, claiming at 62 drops it to roughly $1,400 a month for life. That reduction never goes away.
Here’s how the reduction breaks down by birth year:
- Born 1943 to 1954: Full retirement age of 66, with a 25% reduction at 62
- Born 1955: Full retirement age of 66 and 2 months, with a 25.83% reduction
- Born 1956: Full retirement age of 66 and 4 months, with a 26.67% reduction
- Born 1957: Full retirement age of 66 and 6 months, with a 27.50% reduction
- Born 1958: Full retirement age of 66 and 8 months, with a 28.33% reduction
- Born 1959: Full retirement age of 66 and 10 months, with a 29.17% reduction
- Born 1960 or later: Full retirement age of 67, with a 30% reduction
What Full Retirement Age Actually Means
Full retirement age is the age at which you qualify for 100% of the benefit your earnings record has earned you. For decades it was 65, but Congress raised it gradually. If you were born in 1960 or later, your full retirement age is 67. Claiming before that age shrinks your check; claiming after it grows your check, up to age 70.
The growth from delayed retirement credits is significant. For each year you wait past full retirement age, your benefit increases by about 8% per year. Someone with a $2,000 monthly benefit at 67 would receive roughly $2,480 at 70. Over a long retirement, that difference adds up to tens of thousands of dollars.
Working While Collecting Before Full Retirement Age
If you claim early and keep working, your benefits may be temporarily reduced based on how much you earn. In 2026, if you won’t reach full retirement age during the year, Social Security withholds $1 in benefits for every $2 you earn above $24,480. In the year you reach full retirement age, the threshold is more generous: $1 withheld for every $3 earned above $65,160, and only earnings from months before you hit full retirement age count.
This is not a permanent loss. Once you reach full retirement age, Social Security recalculates your benefit to credit you for the months it withheld payments. But in the short term, it can mean smaller or even zero checks if your earnings are high enough. If you plan to keep working with substantial income, claiming early may not put much money in your pocket anyway.
How to Decide When to Claim
The right age depends on your health, your savings, and whether you need the income now. Claiming at 62 makes sense if you’ve stopped working and need cash flow to cover basic expenses. The reduced benefit is better than draining retirement savings or going into debt.
Waiting until 70 pays off most for people who are healthy, expect to live into their 80s or beyond, and can cover living expenses from savings or work income in the meantime. The breakeven point, where total lifetime payments from a delayed claim overtake the total from an early claim, typically falls somewhere around age 80 to 82. If you live past that, delaying was the better financial move.
Married couples have an additional consideration. The higher earner’s benefit determines the survivor benefit. If one spouse dies, the surviving spouse keeps the larger of the two checks. Delaying the higher earner’s claim to 70 can significantly increase the income the surviving spouse receives for the rest of their life.
There is no single right answer, but the core math is straightforward: every month you delay between 62 and 70 permanently increases your monthly payment. The question is whether you can afford to wait and whether your health suggests you’ll collect long enough to come out ahead.