Social Security Calculator

Social Security retirement benefits are based on your 35 highest-earning years of work. The Social Security Administration indexes each year's wages for inflation, then averages the top 35 to produce your Average Indexed Monthly Earnings (AIME). If you worked fewer than 35 years, zeros are filled in for the missing years, which pulls down your average. The AIME is then run through a progressive formula with two "bend points" to calculate your Primary Insurance Amount (PIA) — the monthly benefit you receive at full retirement age. For 2025, the formula replaces 90% of the first $1,174 of AIME, 32% of AIME between $1,174 and $7,078, and 15% of any AIME above $7,078. This progressive structure means lower-income workers replace a larger share of their pre-retirement earnings. At full retirement age the maximum possible benefit in 2025 is approximately $3,822 per month, which requires 35 or more years of earnings at or above the taxable maximum ($176,100 in 2025).

When to Claim: The Break-Even Analysis

You can begin collecting Social Security as early as age 62, but doing so permanently reduces your monthly benefit by roughly 30% compared to waiting until your full retirement age (FRA) of 67. On the other hand, delaying past FRA earns you delayed retirement credits of 8% per year until age 70, boosting your benefit by up to 24% above your FRA amount. The key question is whether the larger monthly check from delaying outweighs the years of payments you forgo. This is the break-even calculation. For most people, the break-even age falls around 80 to 82 — meaning if you live past that age, the cumulative value of the larger delayed benefit exceeds the total you would have received by claiming early. According to Social Security Administration life tables, a 62-year-old man has roughly a 50% chance of living to 83 and a 62-year-old woman to 86. If you are in good health, have other income to bridge the gap, and expect average or above-average longevity, delaying is usually the mathematically optimal choice.

Spousal and Survivor Benefits

Social Security provides important protections for married couples. A lower-earning or non-working spouse can claim a spousal benefit worth up to 50% of the higher earner's PIA at full retirement age, even without a personal work history. To qualify, the marriage must have lasted at least one year and the primary earner must have filed for benefits (or be at least 62). If you claim a spousal benefit before your own FRA the amount is reduced, but claiming it does not reduce the primary earner's check. When the higher-earning spouse passes away, the surviving spouse can step up to 100% of the deceased's benefit — a feature that makes the higher earner's claiming decision especially important for the couple's lifetime income. Married couples should coordinate strategies: in many cases, the higher earner delays to 70 to maximize the survivor benefit while the lower earner claims earlier for household cash flow. Divorced spouses may also qualify for benefits on an ex-spouse's record if the marriage lasted at least 10 years and they are currently unmarried, without affecting the ex-spouse's own benefit.