Social Security Early Retirement Calculator
Claiming Social Security at 62 instead of 67 can cost you 30% of your monthly check, permanently. Claiming at 70 can add 24%. The difference between the earliest and latest claiming age is often more than $1,000 a month for life, yet most calculators only show a single number and skip the rules that actually determine your benefit. This calculator applies the real Social Security Administration rules: the exact full retirement age for your birth year (including the two-month gradations most tools ignore), the two-tier early reduction formula, delayed retirement credits up to age 70, and a lifetime break-even comparison so you can see what each claiming age is really worth.
Enter your birth year, your estimated monthly benefit at full retirement age (find it on your SSA statement), and the age you plan to claim. The tool shows your adjusted monthly and annual benefit, your lifetime total to your chosen life expectancy, and a year-by-year comparison table for claiming ages 62 through 70.
How the early retirement reduction works
The SSA reduces your benefit for every month you claim before your full retirement age, using two rates. For the first 36 months early, the reduction is 5/9 of 1% per month (about 0.556%). For months beyond 36, it drops to 5/12 of 1% per month (about 0.417%). The reduction is permanent: it does not bounce back when you reach full retirement age.
For someone with a full retirement age of 67, the standard reductions look like this:
- Claim at 62 (60 months early): 36 x 0.556% + 24 x 0.417% = 30% reduction
- Claim at 63 (48 months early): 36 x 0.556% + 12 x 0.417% = 25% reduction
- Claim at 64 (36 months early): 36 x 0.556% = 20% reduction
- Claim at 65 (24 months early): 24 x 0.556% = 13.33% reduction
- Claim at 66 (12 months early): 12 x 0.556% = 6.67% reduction
SSA also rounds the resulting monthly benefit down to the nearest dime, which this calculator applies.
Your full retirement age depends on your birth year
Full retirement age is 67 only for people born in 1960 or later. It is 66 for birth years 1943 through 1954, and it rises in two-month steps for 1955 through 1959 (66 and 2 months, 66 and 4 months, and so on). A calculator that only offers 66 or 67 as choices miscalculates the reduction for everyone born from 1955 to 1959. This tool looks up your exact full retirement age in months from your birth year.
Worked example
Take a worker born in 1960 (full retirement age 67) with an estimated benefit of $2,000 a month at full retirement age:
- Claim at 62: 60 months early, 30% reduction. Monthly benefit: $1,400. Annual: $16,800.
- Claim at 67: no adjustment. Monthly benefit: $2,000. Annual: $24,000.
- Claim at 70: 36 months late, 8% per year delayed credit (+24%). Monthly benefit: $2,480. Annual: $29,760.
To a life expectancy of 85, claiming at 62 pays about $386,400 in lifetime benefits, while claiming at 70 pays about $446,400. Claiming at 70 overtakes claiming at 62 in cumulative benefits at roughly age 80 and 4 months. The calculator below computes these exact figures for your numbers.
Delayed retirement credits: the other side of the math
If you wait past your full retirement age, your benefit grows by 8% per year (2/3 of 1% per month) up to age 70 for anyone born in 1943 or later. There is no benefit to waiting past 70: credits stop accruing. The comparison table in the calculator shows every claiming age from 62 to 70 with its lifetime total, so the tradeoff is visible in one glance instead of requiring separate runs.
The earnings test can shrink your check if you keep working
Claiming early while still earning a paycheck triggers the retirement earnings test. For 2026, the SSA withholds $1 for every $2 you earn above $23,400 if you are under full retirement age all year. In the calendar year you reach full retirement age, the limit rises to $62,160 and the withholding rate drops to $1 for every $3 above it. The withheld money is not lost: the SSA recalculates your benefit upward once you reach full retirement age. Wages and net self-employment income count toward the test; pensions, investment income, and IRA withdrawals do not. Up to 85% of benefits can also be taxable when combined income exceeds $25,000 (single) or $32,000 (joint). These figures come from SSA announcements and change yearly, so confirm current thresholds at ssa.gov before planning around them.
What this calculator does not do
This is a planning estimate, not financial advice, and it is not affiliated with the Social Security Administration. It adjusts a benefit amount you provide; it does not compute your benefit from your earnings record the way the SSA does. It does not model spousal or survivor benefits, the earnings test withholding, taxes, or cost-of-living adjustments after you claim. Your official estimate is on your statement at ssa.gov, and a fiduciary financial planner can help weigh claiming age against your health, savings, and tax picture.
Frequently asked questions
How much is Social Security reduced if I retire at 62?
With a full retirement age of 67, claiming at 62 means 60 months early: a 30% permanent reduction. With a full retirement age of 66, claiming at 62 is 48 months early: a 25% reduction. Your exact reduction depends on your birth year, which sets your full retirement age.
What is full retirement age for someone born in 1960 or later?
67. For birth years 1943 through 1954 it is 66, and for 1955 through 1959 it rises in two-month steps from 66 and 2 months to 66 and 10 months.
Do delayed retirement credits apply after age 70?
No. Credits accrue at 8% per year (for those born in 1943 or later) only up to age 70. Waiting longer does not increase your monthly benefit.
What is the break-even age for delaying Social Security?
It depends on your numbers, but a typical case (born 1960, $2,000 benefit at full retirement age) breaks even for claiming at 70 versus 62 at about age 80 and 4 months. The calculator computes the exact break-even age for your inputs.
Does the reduction go away when I reach full retirement age?
No. The early-claiming reduction is permanent. It does not reset to the full benefit at full retirement age.
Is the earnings test withholding lost forever?
No. Money withheld under the earnings test is credited back through a higher recalculated monthly benefit once you reach full retirement age.
Where can I verify my official benefit estimate?
Your personalized estimate is on your Social Security statement, available by creating an account at ssa.gov. Use that figure as the calculator input for the most accurate projection.