Social Security Indexes Every Year of Earnings Up to Age 60 and Never After. A $100,000 Year at 45 Counts for More in Your Benefit Than a $100,000 Year at 62

Two identical $100,000 paychecks can land very differently in your Social Security record, depending on when you earned them. A quiet rule tied to your 60th birthday decides which one wins, and it changes how you should think about working…

Published November 9, 2026, 4:07am ET · 4 min read

Tax Master desk. Editor: Vilma Rios.

This post may contain links from our sponsors and affiliates, and Flywheel Publishing may receive compensation for actions taken through them.

A modern building showing the corner of its facade. The words 'SOCIAL SECURITY ADMINISTRATION' are written in large black letters on a white section of the building. Above this, there are light beige panels and dark blue reflective windows, all set against a vibrant blue sky.
The Social Security Administration building represents the federal agency that administers benefits, relevant for those navigating midyear retirement rules. © Ken Wolter / Shutterstock.com

Two salaries of the same size can carry very different weight in your Social Security record. A $100,000 salary earned at 45 can count as about $171,700 when Social Security figures your benefit. The same $100,000 earned at 62 counts as exactly $100,000.

The gap comes from wage indexing. Before Social Security calculates your average indexed monthly earnings (AIME), it converts your old pay into current wage terms. Indexing ends with the year you turn 60, and every dollar earned after that goes into the formula at face value.

How the Age-60 Wage Indexing Rule Works

According to the Congressional Research Service, the benefit computation has three steps. Social Security turns your lifetime earnings into an AIME, runs the AIME through a progressive formula to get your primary insurance amount, and then adjusts the result for the age when you claim.

Indexing happens in the first step. Each year of pay before 60 is multiplied by the ratio of the national average wage index in your age-60 year to the index in the year you earned the money. A policy analysis states the threshold clearly: “Earnings at age 60 or later are not indexed but instead are counted at their nominal value.”

The formula needs a fixed base. The wage index comes out with a lag, and the age-60 figure is the latest one available when you first become eligible at 62.

A $100,000 Year at 45 Versus a $100,000 Year at 62

Take an hypothetical worker born in 1964. She turned 45 in 2009, turned 60 in 2024, and turns 62 in 2026. Social Security indexes her 2009 pay to 2024 wage levels.

Her exact factor sits in SSA’s records, but the published bend points come close because they are indexed to the national average wage index. The first bend point for workers who reach 62 in 2026 is based on 2024 wages, and it’s $1,286. For workers who reached 62 in 2011, is based on 2009 wages, it was $749. That puts her indexing factor at about 1.717.

Social Security averages your highest 35 years, so each year’s indexed earnings get divided by 420 months. The formula then pays out a share of each band of AIME: 90%, 32%, and 15%.

Year earned (age) Counts as Added to AIME Monthly benefit, 32% band Monthly benefit, 15% band
2009 (45) $171,696 $408.80 $130.82 $61.32
2026 (62) $100,000 $238.10 $76.19 $35.71

In the 32% band, the age-45 year pays for about $131 a month of benefit and the age-62 year pays for about $76. Both figures are before cost-of-living adjustments. To be fair to the formula, $100,000 in 2009 was a much bigger salaries compared with national wages than it is today, and indexing just gives that year its due.

Your Paycheck at 62 Still Pays Full Payroll Tax

On the tax side, both years are treated the same. Under 26 U.S.C. § 3101(a), employees pay 6.2% of wages in Social Security tax. A $100,000 salary in 2026 sends $6,200 to the program, or $7,650 once you add the Medicare share at the combined 7.65% rate. The Social Security portion applies up to the 2026 taxable maximum of $184,500.

On the benefit side, that $100,000 at 62 helps only if it beats the lowest year in your top 35. Our worker’s age-45 year already counts as about $171,700. A $100,000 year at 62 might push out a low year from her twenties, or it might change nothing.

Who Still Gains From Working Past 60

Late-career pay helps most if your record has breaks: years spent raising children, caring for parents, or between jobs. Each zero in your top 35 is a slot that a post-60 salaries can fill, and SSA recalculates automatically when a new year places among your highest.

Claiming early while you work adds a catch. Before full retirement age, the 2026 earnings test holds back benefits once wages pass $24,480. In the year you reach full retirement age, the limit is $65,160.

Three Moves Before Your Final Working Years

  1. Check your earnings record. Get your history through my Social Security account at SSA.gov/myaccount and fix any missing years while you still have W-2s.
  2. Count your zero years. If you have fewer than 35 years of earnings, each added year fills an empty slot. If you already have 35 strong indexed years, late earnings barely move your benefit.
  3. Judge late work on its other returns. For most high earners, 401(k) contributions, employer health coverage, and the chance to delay claiming count for more than any boost to the earnings record.

Whether another year of work or an earlier exit makes more sense depends on your own 35-year record, and you’d do well to run the math with a CPA or fiduciary advisor ahead of setting a retirement date.

Contact [email protected] for any questions or corrections.

Vilma Rios

Vilma Rios is a tax professional, tax researcher, and financial writer with more than 15 years of experience in tax and accounting. Her work spans federal tax research, financial journalism, retirement planning, investment taxation, capital gains, inherited assets, and tax education. She specializes in translating complex tax and financial topics into clear, practical information that helps individuals, families, retirees, and investors make informed decisions.
She has presented tax information through webinars, including Spanish-language tax education, and has appeared on Telemundo 47 discussing tax topics and helping viewers understand important tax-filing requirements.

Her experience also includes tax and accounting work, tax research, IRS-related matters, and public tax education. While in college, Vilma volunteered in an IRS-sponsored tax assistance program and was recognized for her community service by local and state officials.

Known as "Your Tax Geek," Vilma is passionate about making taxes easier to understand and helping people navigate an increasingly complex tax system.

All articles →