Here’s How Much Social Security Could Matter If You Retire at 65
Retiring at 65 remains an aspirational milestone, but the Social Security Administration (SSA) requires anyone born in 1960 or later to wait until age 67 to claim their full benefit. Therefore, collecting your monthly check at 65 technically counts as retiring early, which results in a benefit reduction.
The math — and its impact on your retirement — changes drastically depending on factors like your portfolio size and current cash flow needs. Below we outline how claiming Social Security at 65 could impact different retirees.
The Average Monthly Benefit — Minus 13.3%
According to the most recent SSA data, the average monthly benefit for retired workers is $2,082.76 or roughly $25,000 per year. However, the SSA permanently reduces benefits by 5/9 of 1% for each month a recipient claims benefits before normal retirement age, up to 36 months, leaving a 65-year-old beneficiary with just 86.7% of their full benefit — for life, per SSA.
Presuming your full retirement benefit would have been equal to the average monthly check had you waited until age 67, your $25,000 annual Social Security payment would fall to $21,675 if you retire at 65.
How Much Income Will Social Security Replace?
According to the Bureau of Labor Statistics (BLS), the median weekly pay for workers in the first quarter of 2026 was $1,235 or $64,220 per year. A Fidelity analysis found that retirees should plan to replace between 55% and 80% of their pre-retirement income, with 67.5% landing squarely in the middle.
For the median earner, that’s roughly $43,349 per year.
The Fidelity study suggested planning for your nest egg to cover about 45% of your pretax, pre-retirement income — $28,899 for the median earner — with Social Security making up the rest.
It’s All About the Nest Egg
If the median earner had enough saved to produce $28,899 and retired at 65, adding the $21,675 reduced annual Social Security benefit would bring the total to $50,574. That’s more than enough to cover the recommended $43,349 or 67.5% of pre-retirement income — but how much would you need to save to generate that kind of annual income?
Using the 4% rule as a guideline, the median earner would need around $722,475 to produce the full $28,899 (45% of pretax income). Including a Social Security benefit reduced by 13.3%, the retiree has $50,574 — nearly 79% of their pretax income, which is near the top of the Fidelity-recommended range.
However, a $541,850 nest egg would produce $21,674. When adding the $21,675 reduced annual Social Security benefit, the total annual income is $43,349 or 67.5% of the median earner’s pre-retirement income — smack in the middle of Fidelity’s sweet spot.
This article was provided by MoneyLion.com for informational purposes only and should not be construed as financial, legal or tax advice.
More From MoneyLion: