Social Security Benefit Estimator 2026

Updated July 2026 · Sources: SSA.gov, Social Security Act Title II

How Social Security Calculates Your Benefit

Social Security uses a three-step formula to determine your monthly retirement benefit. The process is standardized and publicly documented in the Social Security Act and SSA regulations.

Step 1: Calculate Your AIME (Average Indexed Monthly Earnings)

SSA takes your highest 35 years of earnings, adjusts each year for wage inflation using the Average Wage Index (AWI), adds them up, and divides by 420 (35 years × 12 months).

Key points:

• Only earnings up to the annual taxable maximum count ($176,100 in 2026)
• Years with zero earnings are included in the 35-year calculation, dragging down your average
• AWI indexing converts past earnings to today's dollars for fair comparison

Step 2: Apply the PIA Formula (Bend Points)

Your Primary Insurance Amount (PIA) is calculated by applying three progressive rates to your AIME, using bend points that change annually with the AWI.

The 2026 bend points (estimated based on AWI projections) are:

Bend Point	2026 Amount	Rate Applied
First	$1,174	90%
Second	$7,078	32%
Above Second	Over $7,078	15%

Step 3: Adjust for Retirement Age

Your PIA is the benefit you receive at Full Retirement Age (FRA). Claim earlier or later, and your benefit is adjusted:

Claim Age	FRA = 67	Monthly Benefit	Annual Benefit
62	60 months early	70% of PIA	$25,277
65	24 months early	86.7% of PIA	$31,307
67 (FRA)	0 months	100% of PIA	$36,110
70	36 months late	124% of PIA	$44,777

Based on example PIA of $3,009.18/month. Early reduction: 5/9 of 1% per month for first 36 months, 5/12 of 1% per month thereafter. Delayed credits: 8% per year after FRA.

2026 Social Security Wage Base

The maximum amount of earnings subject to Social Security tax in 2026 is $176,100. Earnings above this cap are not taxed for Social Security (though Medicare tax continues on all earnings). This cap rises annually with the AWI.

Year	Wage Base	Increase
2024	$168,600	—
2025	$172,500	+2.3%
2026	$176,100	+2.1%

2026 COLA (Cost-of-Living Adjustment)

The 2026 COLA is estimated at approximately 2.5% based on CPI-W trends through mid-2026. The official announcement typically comes in October. COLA applies to:

• Social Security retirement benefits
• Social Security Disability Insurance (SSDI)
• Supplemental Security Income (SSI)
• Medicare Part B premiums (indirectly, via hold-harmless provisions)

Spousal and Survivor Benefits

Social Security also provides benefits for eligible family members:

Benefit Type	Maximum Amount	Requirements
Spousal (at FRA)	50% of worker's PIA	Married 1+ year, age 62+
Survivor (at FRA)	100% of worker's PIA	Married 9+ months, age 60+
Divorced Spousal	50% of ex's PIA	Married 10+ years, not remarried
Child	50% of worker's PIA	Under 18 (or 19 if student)

When Should You Claim Social Security?

The decision of when to claim depends on your health, life expectancy, other income sources, and marital status:

• Claim at 62 if you need the income, have health concerns, or expect a shorter lifespan. You receive 30% less than FRA but get 5 extra years of payments.
• Claim at FRA (67) for the standard benefit. Good if you have moderate savings and average life expectancy.
• Delay to 70 if you are healthy, have other income, and expect to live into your 80s. The 24% increase often pays off if you live past the breakeven age (~80-82).

Taxation of Social Security Benefits

Up to 85% of your Social Security benefits may be taxable depending on your "combined income" (adjusted gross income + nontaxable interest + ½ of SS benefits):

Filing Status	Combined Income	Taxable %
Single	$25,000–$34,000	Up to 50%
Single	Over $34,000	Up to 85%
Married Filing Jointly	$32,000–$44,000	Up to 50%
Married Filing Jointly	Over $44,000	Up to 85%