Social Security benefits explained: How your earnings and work history determine your payment in retirement
In the U.S., just over 71.6 million people currently receive Social Security benefits, with the Social Security Administration (SSA) distributing an annual total of more than $1.5 trillion in monthly payments.
Although the Social Security scheme also covers groups such as disabled workers and the surviving relatives of deceased workers, the program’s primary beneficiaries are retirees. As of September 2026, indeed, retired workers represented nearly 77% of all Social Security recipients.
How much are Social Security retirement benefits in 2026?
In September 2026, the average monthly benefit for a retiree was $2,088.79. However, these payments can climb above $4,000 if a beneficiary holds off on applying for benefits until ’full retirement age’ (FRA): 66 years and 10 months if born in 1959; 67 if born in 1960 or later. Moreover, if a worker waits until 70 before filing their first retirement-benefits claim, it’s currently possible to secure a monthly payment of more than $5,000.
When it comes to working out the exact amount issued to each of the Social Security program’s 55 million-plus retirees, a highly personalized calculation is used.
How does Social Security calculate monthly retirement benefits?
The SSA bases Social Security entitlement on data gathered throughout an individual’s working life, which is formed into an earnings record. This information is then used, in a three-part process, to calculate the size of payments:
Average Indexed Monthly Earnings (AIME):
After adjusting a person’s past earnings to reflect changes in general wage levels, the SSA uses the worker’s 35 best-paid years to calculate their AIME, which is essentially a snapshot of their historical income.
The more an individual makes, up to an annual earnings cap that currently stands at $184,500, the higher they can expect their monthly entitlement to be.
Primary Insurance Amount (PIA):
An individual’s AIME then provides the basis for their PIA, which is their expected benefit amount if they claim retirement pay at FRA. A worker’s PIA comprises:
- 90% of the first $1,286 of their AIME;
- 32% of any amount over $1,286 up to $7,749;
- and 15% of any amount over $7,749
Age of claim:
If a worker applies for retirement benefits before reaching their FRA, the size of their monthly entitlement will drop below their PIA. This occurs on a sliding scale, with a retiree’s payment falling by more than 25% if they claim at 62, the earliest possible age.
On the other hand, if a retiree delays claiming until after their FRA – up to a maximum age of 70 – they can up their monthly benefit amount to 25% or more than their PIA.
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Also important: What happens if you carry on working
If a Social Security claimant applies for retirement pay before their FRA, there are restrictions on how much they can earn if they continue to work while receiving benefits.
Depending on the beneficiary’s age, the SSA applies one of two annual earnings caps, withholding some or all of the individual’s payments if they exceed their designated limit.
Before the year in which a person reaches their FRA, the current income limit is $24,480. During the year in which a beneficiary reaches their FRA, that maximum rises to $65,160, as of 2026. Starting with the month in which the claimant hits their FRA, there are no longer any restrictions on what they can earn.
It’s worth noting that not all types of income count towards the pre-FRA earnings limit. What’s more, beneficiaries are credited for withheld payments after their FRA. Find out more in this explainer on how a job or self-employment can impact monthly payments.
How to estimate your future Social Security retirement benefits
The process for calculating your monthly Social Security retirement payments can be a confusing one, and picking the right moment to file your first claim can be crucial for your long-term financial stability. Fortunately, the SSA offers easy-to-use online tools which enable you to check your earnings history and estimate your entitlement.
One such resource is your Social Security Statement, which allows anyone over 18 to see their current situation. The statement is available on the SSA’s mySocialSecurity portal. It lists how much you have paid in so far, your current AIME, and other key financial details.
Another online tool is the Online Benefits Calculator, which allows you to estimate what your monthly payments will be when you start claiming retirement benefits.
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