35 Years of Work Matter: The Hidden Math Behind Your Social Security Check
Most people assume Social Security rewards long careers, but the specific formula the SSA uses can quietly shrink your monthly check in ways that catch retirees completely off guard.
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There are millions of seniors today who collect a monthly benefit check from Social Security. And once you retire, you might depend heavily on those payments as well.
You may be wondering how much money to expect from Social Security and what goes into that retirement paycheck. Here’s how the math works.
Your top 35 years of earnings matter the most
Your Social Security benefit is based on two things — your personal wage history and your filing age. At full retirement age (FRA), which is 67 for anyone born in 1960 or later, you’re eligible for your Social Security benefit without a reduction. But there are other ages you can file at.
The earliest age to sign up for Social Security is 62. But your benefits get reduced for every month you claim them ahead of FRA.
You can also delay your claim past FRA for boosted checks. Each year you wait results in a permanent 8% increase.
On the wage side, the Social Security Administration (SSA) factors in your 35 highest-paid years of income when calculating your monthly benefits. Earnings up to the annual wage cap count each year.
This year, for example, Social Security’s wage cap is $184,500. So if you earn $200,000, only the first $184,500 count toward your future benefit payment.
If you don’t end up with 35 years of wages to your name by the time you’re ready to claim Social Security, the SSA will factor in a $0 for every year you’re missing wages. Too many $0s could drag your benefit down. However, wages earned while collecting Social Security can count toward your top 35 years.
So let’s say that by FRA, you only have a 34-year work history. If you work part-time that year while collecting Social Security, the SSA will recalculate your benefits after that year of earnings is accounted for, and your checks should go up.
It’s important to know how the formula works
Understanding the math behind your Social Security checks is important, because if you don’t end up with 35 years of wages, you could lose out on benefits in retirement.
A single year of missing income may not hurt so much, especially if you have some years of higher wages to make up for it. But if you’re approaching retirement and you only have a 20-year work history, that’s going to be reflected in your Social Security benefits.
Of course, there may come a point when there’s not much you can do about that. If you’re 67 years old with only 20 years of wages, you may not be able to work full-time for another 15 years to boost your Social Security benefits — and doing so may not even make sense.
But if you’re only a couple of years shy of a 35-year work history and you know you’ll need Social Security to cover your costs in retirement, it could pay to extend your career a bit longer. Doing so might also, depending on the circumstances, make it possible for you to delay your claim past FRA and boost your benefits in the process.
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Maurie Backman has more than a decade of experience writing about financial topics, including retirement, investing, Social Security, and real estate. Her work has appeared on sites that include The Motley Fool, USA Today, U.S. News & World Report, and Kiplinger.
Prior to becoming a full-time financial writer, Maurie worked in the financial industry trading distressed debt. She then changed course and spent a few years designing electronic toys. After a stint in content marketing and UX, she shifted back into writing and has since covered everything from the housing market to estate planning to Medicare.
When she's not busy writing, Maurie can be found hiking, walking her dogs, driving her kids to their various sports practices and games, and curling up with a good book. She cooks on occasion and bakes way too often.
