Delaying Social Security until age 70 increases your monthly payment by roughly 24% to 32% compared to claiming at your full retirement age, depending on when you were born.

Social Security calculates your benefit using a formula based on your earnings history. Once that base amount is set, the age you claim determines your monthly check. If you were born between 1943 and 1954, your full retirement age is 66. If you were born in 1960 or later, it is 67. Claiming at 70 adds what the Social Security Administration calls delayed retirement credits — an automatic increase of 8% per year for every year you wait past your full retirement age, up to age 70.

This means if your full retirement age is 67 and you wait until 70, you receive 24% more per month than you would at 67. If your full retirement age is 66, waiting until 70 gives you 32% more. After age 70, the credits stop accumulating, so there is no financial reason to delay further.

Key Takeaways

  • Waiting from your full retirement age to age 70 adds 8% to your monthly benefit for each year you delay, for a total increase of 24% to 32%.
  • The exact increase depends on your birth year, which determines your full retirement age — either 66, 67, or somewhere in between.
  • You must be at least 62 to claim Social Security, but claiming before your full retirement age means a permanent reduction in your monthly payment.
  • The higher monthly payment at 70 continues for life and is also used to calculate survivor benefits for your spouse and children.
  • Whether waiting until 70 makes financial sense depends on your health, family longevity, and how much you need the money now.

How the 8% annual increase works

The Social Security Administration does not give you a lump sum for waiting. Instead, your monthly benefit grows by exactly 8% for each year between your full retirement age and age 70. This is automatic — you do not have to do anything to earn it except not claim yet.

The increase is permanent. Once you claim at 70, that higher amount becomes your base benefit for the rest of your life. Cost-of-living adjustments (COLA) are then applied to that higher base each January, so the compounding effect continues.

Example: If your full retirement age is 67 and your benefit at 67 would be $2,000 per month, waiting until 70 adds 24% (three years × 8%), bringing your monthly payment to $2,480. That $480 extra per month continues indefinitely.

Full retirement age varies by birth year

Your full retirement age is the age at which you receive 100% of your calculated benefit with no reduction. It is not the same for everyone. The Social Security Administration raised the full retirement age gradually starting in 1983.

If you were born in 1943–1954, your full retirement age is 66. If you were born in 1955, it is 66 and 2 months. It increases by 2 months for each birth year until 1960, when it reaches 67. Anyone born in 1960 or later has a full retirement age of 67. The Social Security Administration website has a table showing the exact age for your birth year.

Knowing your full retirement age matters because the 8% annual increase only applies to years you delay after that age. Delaying from 62 to 66 does not earn you the 8% credits; instead, you receive a reduced benefit at 66. The credits only start at your full retirement age.

Claiming before age 70 means a permanent reduction

If you claim before your full retirement age, your benefit is reduced permanently. The reduction is steeper the earlier you claim. Claiming at 62 — the earliest possible age — reduces your benefit by roughly 30% if your full retirement age is 67, or 35% if your full retirement age is 66.

This reduction stays with you for life. You do not regain the lost amount later. If you claim at 62 and live to 90, you will have received a smaller monthly check for 28 years. The Social Security Administration calculates the break-even point — the age at which total lifetime benefits are equal whether you claimed early or waited — but that point varies based on individual health and longevity.

Claiming between your full retirement age and 70 also reduces your benefit, but less steeply. The reduction is roughly 6.7% per year you claim early. So if your full retirement age is 67 and you claim at 68, you receive about 93% of your full benefit.

Survivor benefits also increase when you delay

The higher benefit you earn by waiting until 70 is not just for you. If you die, your spouse and children receive survivor benefits based on your benefit amount. A larger benefit at 70 means larger survivor payments for them.

Your spouse can claim a survivor benefit equal to up to 75% of what you were receiving (or would have received). Your children can each claim up to 75% as well, though the total paid to your family is capped at roughly 150% to 180% of your benefit amount, depending on your birth year. Waiting until 70 increases all of these amounts.

This matters if you have dependents or a younger spouse who might outlive you by decades. The trade-off is different than if you are single — you are not just betting on your own longevity, but on your family's financial security.

When waiting until 70 makes sense financially

Waiting until 70 is a financial gain if you live long enough to collect the higher monthly amount for enough years to make up for the months you did not claim. The break-even age — when your total lifetime benefits are equal whether you claimed at 62 or 70 — is typically in the early 80s, though it varies.

If you are in good health, have family members who lived into their 90s, or do not need the money immediately, waiting until 70 usually results in more total lifetime benefits. If you have serious health conditions, limited family longevity, or urgent financial need, claiming earlier may make more sense even though your monthly check will be smaller.

You can also claim at an age between your full retirement age and 70 — say, at 68 or 69 — to balance the two. This gives you some increase without waiting the full three years.

How to claim at 70

You do not have to do anything special to earn the delayed retirement credits. Simply do not claim Social Security before age 70. The credits accumulate automatically.

When you are ready to claim at 70, you can apply online through the Social Security Administration website, by phone at 1-800-772-1213, or in person at your local Social Security office. You will need your Social Security number, birth certificate, and proof of citizenship or legal residency.

The Social Security Administration processes claims within 1 to 3 months. Your first payment typically arrives the month after you are approved. If you have already been receiving benefits for a spouse or child, those payments continue and may increase when you claim.

Frequently Asked Questions

Can I change my mind after I claim at 70?

Yes, but only within a limited window. If you claim and then change your mind within 12 months, you can withdraw your claim and repay what you received. After 12 months, you cannot undo the claim. Some people use this to test whether they need the money, then withdraw if they do not.

What if I work after age 70?

Once you reach your full retirement age, your earnings do not reduce your Social Security benefit, even if you are still working. You can earn as much as you want without any penalty. This is different from claiming before your full retirement age, when high earnings reduce your benefit temporarily.

Does waiting until 70 affect Medicare?

No. Medicare may be able to access starts at 65 regardless of when you claim Social Security. You should enroll in Medicare at 65 even if you are not claiming Social Security yet. Delaying Social Security does not delay or change your Medicare coverage.

What happens to my benefit if I die before 70?

Your family receives a one-time death benefit of $255 and may receive survivor benefits based on your earnings record. They do not receive the higher amount you would have gotten at 70. This is one reason some people claim earlier — to ensure they receive something if they die young.

Can my spouse claim based on my record if I wait until 70?

Yes. Your spouse can claim a spousal benefit based on your earnings record once you claim, even if they have not reached their own full retirement age. The amount depends on their age and your benefit amount. Waiting until 70 increases your benefit, which increases their spousal benefit as well.