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US Social Security Basics: How Retirement Benefits Work

Social Security is something almost every US worker pays into, but the way benefits are actually calculated surprises a lot of people.

It's funded by payroll taxes, not a personal savings account

Current workers' payroll taxes fund current retirees' benefits on a pay-as-you-go basis, rather than each person drawing down their own dedicated individual account.

Full retirement age depends on your birth year

For anyone born in 1960 or later, full retirement age (FRA) is 67. It is 66 for people born between 1943 and 1954, with a gradual phase-in between those two figures for people born in between.

Claiming early permanently reduces your benefit

You can start collecting as early as 62, but your monthly benefit is permanently reduced compared to waiting until your full retirement age.

Delaying past full retirement age increases it

Waiting past your FRA, up to age 70, increases your monthly benefit through delayed retirement credits. There is generally no additional benefit to waiting past 70.

Your benefit is based on your highest-earning 35 years

The Social Security Administration averages your highest 35 years of indexed earnings. Years with little or no earnings can pull that average down, even if you worked well beyond 35 years total.

Spousal and survivor benefits exist too

A spouse, including a divorced spouse in some cases, may be eligible to claim based on their partner's earnings record, and separate survivor benefits exist for widows and widowers, each with their own rules.

Why people talk about Social Security 'running out'

Periodic government reports project that the trust funds could face shortfalls in future decades that would require either legislative changes or reduced payable benefits. That is a long-range solvency projection, not evidence that the program is about to disappear; Congress has adjusted the program multiple times before, such as changing the payroll tax rate or the retirement age, rather than letting it lapse.

Social Security is meant to supplement, not replace, other savings

For most retirees, Social Security replaces only a portion of pre-retirement income, which is why financial guidance typically treats it as one leg of a broader retirement plan alongside employer plans like a 401(k) and personal savings.

Frequently Asked Questions

Should I claim Social Security as early as possible?

There's no universal right answer; it depends on your health, other income, and life expectancy expectations, among other factors, so it is worth discussing with a financial professional rather than following a generic rule. This page explains how the system works, not what you personally should do.

Is Social Security only for retirees?

No. The same program also pays disability benefits and survivor benefits to eligible family members of deceased workers. 'Social Security' is often used casually to mean just retirement benefits, but it covers more than that.