When should you claim Social Security? Here's how the math compares.

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You can typically claim Social Security retirement benefits as early as 62. But you don't become eligible for your full benefit (known as your primary insurance amount) until you reach your full retirement age (FRA), which is 67 for most people.

You can also delay Social Security until age 70 if you want to maximize your benefit. The flip side is that you'll collect fewer checks overall.

Choosing the right Social Security claiming age isn't an exact science; the decision boils down to a lot of unpredictable factors. But generally, you want to consider:

Health and family history: If you're healthy and people in your family tend to survive into old age, delaying often makes sense. But if you have serious medical issues and/or your parents died fairly young, the math often favors claiming earlier.

How badly you need the money: If you need income to cover basic expenses, claiming early could help you avoid draining your savings or racking up debt, even though it will shrink your benefit. But if you have several sources of retirement income — like a 401(k) or individual retirement account (IRA), a pension, or part-time job — you have a lot more flexibility on timing.

Whether you're still working: Social Security will temporarily reduce your benefit even further if you claim before FRA and you're still working, provided your income exceeds a certain threshold. (We'll break down the rules shortly.) But once you blow out the candles on your 67th birthday cake, you can earn as much as you want without affecting your benefit.

Understanding your full retirement age (FRA)

Full retirement age (FRA) is the age when you become eligible for 100% of your Social Security benefit. FRA is 67 for anyone born in 1960 or later. If you start Social Security before full retirement age, you'll receive less money each month.

That doesn't mean you get your maximum benefit at 67. With a few exceptions – like if you're claiming spousal benefits — you can earn an extra delayed benefit credit of 8% for each year you wait beyond FRA until age 70, when your benefit maxes out.

Claiming at 62 (earliest age for retirement benefits)

Claiming at 67 (full retirement age for most people)

Claiming at 70 (age when you hit your maximum benefit)

Percentage of full benefit you'll receive

Monthly check (if your primary insurance amount is $2,000)

Caiming will help you avoid selling assets or tapping savings

You don't want a reduced benefit, but you don't want to risk leaving too much money on the table by claiming at 70

You're still working and don't want part of your benefit to be withheld

You're in excellent health and have a family history of longevity

You'll rely on Social Security for a substantial part of your retirement income

Claiming at 62: Smaller benefit with a trade-off

Claiming at 62 reduces your benefit checks by up to 30%. That means if your primary insurance amount (PIA), which is the benefit you'd qualify for at full retirement age, is $2,000 per month, you'd only receive $1,400 per month.

Essentially, your payment is reduced by 6.66% for each of the first three years of early benefits you take. If you start benefits more than three years early, your payment is reduced by 5% for each additional year. For example, if you started Social Security at 64 (three years early), your benefit would be 20% lower. But if you claimed at 63 (four years early), it would be 25% less than your full benefit.

While taking Social Security early results in a smaller benefit, the trade-off is that you'll get more Social Security checks over your lifetime.

Claiming at 67 (full retirement age): The baseline comparison

Once you turn 67, you're eligible for your full Social Security benefit. Though you'll have to wait three more years if you want to get the biggest check possible, claiming at FRA may be a good choice if you don't want to permanently reduce your benefit.

Note that if you're claiming spousal benefits (based on your spouse's work record, rather than your own), your benefit maxes out at FRA. You won't get more money by delaying until you're 70.

Claiming at 70: the maximum benefit strategy

Just 8% of men and 8.6% of women wait until age 70 to start benefits, according to 2024 Social Security Administration data. Joining this elite cohort increases your benefit by 24%, because you earn an extra 8% delayed retirement credit for each year you wait past FRA until age 70.

Your Social Security break-even age is the point at which you receive more total lifetime benefits by delaying than by claiming earlier. You can't calculate an exact break-even number because you don't know how big Social Security cost-of-living adjustments will be each year, but the table below gives you an idea of when you benefit more from claiming early versus. Delaying. But first, let's look at an example.

Say you're debating whether to start getting checks when you reach FRA at 67 versus waiting until 70. Your break-even age is around 82 ½ years old. Assuming your full monthly check is $2,000 (vs. $2,480 at age 70), here's how your total benefits collected to date would break down:

Age 82 years and 5 months: $370,000 (67 claiming age) vs. $369,520 (70 claiming age).

Age 82 years and 6 months: $372,000 (67 claiming age) vs. $372,000 (70 claiming age).

Age 82 years and 7 months: $374,000 (67 claiming age) vs. $374,480 (70 claiming age).

If you died before reaching the break-even age of 82 ½, claiming earlier would yield more lifetime benefits. But if you lived past age 82 ½, delaying until 70 would finally pay off.

The AARP says the break-even age for someone considering whether to claim immediately at 62 or wait until 67 is around 78 years and 8 months.

* Calculations are in 2026 dollars and assume no cost-of-living adjustments and a primary insurance amount of $2,000.

Beyond the math: Health, longevity, and family history

Social Security planning can be complicated because it involves significant guesswork. You probably don't have the clairvoyance to predict exactly when you'll die, so you'll need to consider your own health and your family history.

If you have serious medical issues or your parents died relatively young, the math often favors starting checks sooner. That way, you have a greater chance of recouping some of the contributions you made via payroll taxes during your working years. But if you're in excellent health and people in your family often live into their 90s, waiting as long as possible is often the better choice.

Note that according to Social Security's actuarial tables, the life expectancy of someone who turned 62 in 2023 was around 82 for men and 85 for women. Those numbers suggest that if you're newly eligible for Social Security, there's a decent chance you'll live long enough to come out ahead if you wait until you're 70. But life expectancy is just one factor in deciding when to claim.

How other income and savings affect your claiming decision

Your current and future financial needs are just as important as life expectancy in your claiming decision.

Some older adults stop working sooner than expected due to a layoff, illness, or caregiving responsibilities. If you can't work and don't have enough savings to cover basic expenses, starting Social Security early may be better than falling behind on bills or taking on debt to make ends meet.

You may also benefit from taking checks sooner if you're able to avoid tapping investments and savings as a result. Suppose, for example, that your investments are down 20% due to poor stock market performance. If you're relying on 401(k) distributions for income, starting Social Security earlier could give you breathing room to let your retirement account recover.

Delaying is often the better choice when you're still employed, particularly if you're behind on retirement savings. You can rely on your paycheck for income and continue contributing to a 401(k) and IRA instead of drawing from your savings — while also holding out for a bigger Social Security check. Social Security bases your payments on an average of your 35 highest-earning years. You can increase your benefit by replacing a lower-earning year with one in which your income was higher. Doing so can be particularly beneficial if you didn't work for all 35 years.

Ultimately, you'll have the most flexibility on when to claim Social Security if you have multiple income sources when you retire. Let's say you have significant 401(k) or IRA savings, a pension, and real estate investments. Your Social Security timing may not have a major impact on your budget in your later years. But if Social Security will be your main source of income, you may want to wait and collect larger checks.

The bridge strategy: Funding the gap if you delay

For many retirees, making sure there's enough money to cover needs is more important than squeezing every last dollar out of Social Security. Here are some bridge strategies that can help if you're hoping to delay Social Security:

Continue working: Collecting a paycheck, even if it's from a part-time job, is probably the simplest way to push back the timing of your claim. This strategy can also give your investments more time to grow.

Use savings: Having healthy cash reserves gives you a cushion if you don't want to start Social Security right away.

Sell investments in taxable accounts: Selling some taxable investments can give your tax-advantaged accounts more time to grow, while also providing more flexibility on Social Security timing. But before making major investment decisions, consult with a financial advisor.

401(k) or IRA withdrawals: Before age 59 ½, you'll often get hit with a 10% early withdrawal penalty if you tap a retirement account. But retirement account distributions are generally penalty-free by the time you're Social Security age, though you may owe taxes on the withdrawal.

Working while collecting: The earnings test explained

Working while claiming Social Security early could temporarily cost you part of your benefit due to the program's earnings test. In 2026, the following thresholds apply to beneficiaries who are younger than full retirement age:

If you'll be younger than FRA for the full year: Social Security will withhold $1 for every $2 you earn above $24,480.

If you'll reach FRA during the year: Social Security will withhold $1 for every $3 you earn above $65,160.

Once you reach full retirement age, though, you'll receive your full benefit regardless of how much you earn. If you had part of your check withheld because you worked while claiming early, Social Security will also recalculate your benefit to give you credit for the money withheld.

How claiming age affects spousal and survivor benefits

About 3% of Social Security beneficiaries receive spousal benefits, which are based on a spouse's earnings record, instead of a retirement benefit that's based on their own history. Most people who take spousal benefits have a limited work record or married someone who earned significantly more.

If you expect your husband or wife to get more from spousal benefits than retirement benefits, your claiming age will affect their benefit too. The maximum spousal benefit is 50% of your full retirement benefit. But if you claim before your FRA, they'll only receive 50% of your reduced benefit. They won't get extra, though, if you wait until you're 70 to earn delayed retirement credits.

Your claiming age can also affect your spouse's benefit if you die before them and they receive survivor benefits based on your record. Once a surviving spouse reaches FRA, they can receive up to 100% of their late spouse's benefit, including any delayed retirement credits they earned.

Taxes and Medicare premiums: The hidden factors

Your claiming age impacts how much money you get from Social Security each month. That, in turn, can affect your tax bill and Medicare premiums.

Up to 85% of your Social Security is taxable, depending on your total income. While federal income tax brackets typically increase each year, Social Security tax thresholds haven't changed since 1994. Due to the relatively low thresholds, some retirees find that even a small amount of extra income, whether from Social Security or a different source, can result in a surprise tax bill that's sometimes nicknamed "the Social Security tax torpedo."

Some higher-income seniors also pay an extra Medicare Part B and prescription drug premium called the income-related monthly adjustment amount (IRMAA). In 2026, you'll pay higher premiums if your modified adjusted gross income is above $109,000 if you're single or $218,000 if you're married filing jointly. Social Security alone won't get you anywhere near these thresholds, but it's worth considering whether a larger benefit combined with other income sources could result in higher Medicare premiums.

Claiming Social Security is a big decision, so it's important to think carefully before you start your benefits. Here are a few common Social Security claiming mistakes to avoid:

Claiming in a panic: If you've just experienced a big setback, like losing your job or the stock market is tanking, you may be tempted to claim right away just to lock in secured income. But once you start Social Security, your options for reversing the decision are extremely limited, so be sure you're comfortable with the long-term consequences.

Starting benefits even though you plan to keep working: Social Security often withholds a substantial part of your check if you start benefits while you're still working. Though your benefit is recalculated to a higher amount based on these withholdings when you reach FRA, there's no guarantee you'll live long enough to recoup the entire amount withheld.

Underestimating your life expectancy: Remember, someone turning 62 today can expect to live another 20 years or more on average. Even if you have some health problems, you may want to rethink claiming as soon as you become eligible. Many people overestimate their risk of dying at a young age and underestimate their risk of outliving their money or losing significant purchasing power to inflation when they retire.

Expecting Social Security to replace your paycheck: Social Security is only intended to replace around 40% of your preretirement income, and many retirees find that it replaces even less. If Social Security will be your primary source of retirement income, you may want to delay retirement and benefits to save more and collect a larger check.

Even if you're decades away from retirement, it's never too early to start planning. Use the Yahoo Finance Social Security calculator to estimate your future benefit based on your average salary and when you expect to claim.

The timing of your Social Security can have a big impact on your retirement planning, so it's often worth discussing the decision with a financial planner. Here are some guidelines to consider, though:

You have health problems, or your parents died fairly young.

You're unable to work and need the income.

You're already retired and want a guaranteed income.

You want to avoid cashing out investments or dipping into your savings.

You don't want to permanently reduce your benefit by claiming early, but you don't want to wait until you're 70.

You're still working and don't want Social Security to withhold part of your benefit.

You're getting spousal benefits (since delaying further won't increase your payments).

You have a long life expectancy, based on your own health and how long people in your family typically live.

Social Security will account for a large part of your retirement income, so you need the maximum benefit.

You don't need the money and can afford to wait.

You want to maximize your benefit in case your spouse needs survivor benefits.

Can I change my mind after I claim Social Security?

If you claimed early and it's been less than a year since you started Social Security, you can suspend your benefit and repay the benefits you received, then reapply later. If you've already reached full retirement age, you can also suspend your benefits to take advantage of delayed retirement credits. Social Security will automatically restart your checks if you haven't reapplied by the time you turn 70.

Does claiming early reduce my spouse's benefit too?

Claiming early will only reduce your spouse's benefit if they're claiming spousal benefits (based on your earnings record) instead of retirement benefits (based on their own earnings record). However, if you die before your spouse and they take survivor benefits instead of retirement or spousal benefits, claiming early could lower their payments.

Can I work while collecting Social Security before full retirement age?

Yes, you can work while collecting Social Security before full retirement age, but Social Security will withhold part of your benefit. In 2026, Social Security will withhold $1 of your benefit for every $2 you earn above $24,480, or $1 for every $3 you earn above $65,160 for the year you reach full retirement age.

What happens if I wait past age 70 to claim Social Security?

Waiting past age 70 to claim Social Security won't increase your benefit. The Social Security Administration recommends filing once you turn 70 since you won't get more money from delaying further.

Yes, up to 85% of your Social Security benefit may be considered taxable income, depending on your total income. However, due to the temporary "no taxes on Social Security" deduction that's in effect through 2028, most seniors won't owe taxes on their benefits. This deduction allows taxpayers age 65 or older (and their spouses if filing jointly) to each claim a $6,000 deduction. This senior deduction is reduced by 6% for an adjusted gross income over $75,000 (or $150,000 for joint filers).

What's the difference between my claiming age and my full retirement age?

Your claiming age is when you choose to start Social Security. It can range from ages 62 to 70. Full retirement age is 67 for anyone born after 1959, and it's when you become eligible for 100% of your benefit.

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