Social Security is the foundation of retirement income for most Americans: nearly 9 in 10 people 65 and older receive benefits, and for many retirees it provides at least half their income. Understanding when to claim, how benefits are calculated, and how taxes affect your check can mean a difference of hundreds of thousands of dollars over your lifetime.
How Social Security Works
Social Security pays four kinds of benefits from your earnings record: retirement, disability (SSDI), survivor benefits for your spouse, children, and dependent parents, and family benefits for a spouse or children while you’re collecting. Supplemental Security Income (SSI) is a separate, needs-based program that SSA also runs; see SSI.
Railroad workers are covered by the Railroad Retirement Board instead of Social Security for their railroad service. Railroad retirement’s first tier works much like a Social Security benefit, and the two systems coordinate credits for people who worked in both.
Social Security is a federal insurance program funded by payroll taxes. Workers and employers each pay 6.2% of wages up to the taxable maximum ($184,500 in 2026), funding retirement, disability, and survivor benefits for tens of millions of Americans.
Your benefits are based on your highest 35 earning years, adjusted for inflation. Here’s the simplified calculation:
- Average Indexed Monthly Earnings (AIME): The SSA adjusts your top 35 earning years for wage growth, then averages them into a monthly figure.
- Primary Insurance Amount (PIA): A progressive formula is applied to your AIME. The formula replaces a higher percentage of earnings for lower-income workers.
- Claiming adjustment: Your PIA is your benefit at full retirement age (67 for anyone born in 1960 or later). Claiming earlier reduces it; claiming later increases it.
If you have fewer than 35 years of earnings, zeros are averaged in — which is why working additional years can increase your benefit even late in your career. Use the Social Security Calculator to estimate your personal benefit.
2026 Benefit Amounts
Monthly benefits vary dramatically based on your earnings history and claiming age. The average figures below start from the SSA-published average benefit for all retired workers ($2,071/month in January 2026) and apply the standard early/delayed claiming adjustments — they are illustrative, not a guarantee of what any individual will receive:
| Claiming Age | Average Benefit (illustrative) | Maximum Benefit |
|---|---|---|
| 62 (earliest) | ~$1,450 | $2,969 |
| 67 (FRA) | $2,071 | $4,152 |
| 70 (maximum) | ~$2,568 | $5,181 |
The 2026 cost-of-living adjustment (COLA) increased benefits by 2.8% over 2025. For the full history of annual adjustments, see our Social Security COLA History page, and for details on this year’s increase, see Social Security COLA 2026.
Average benefits also vary significantly by state. See our breakdown of Average Social Security Benefits by State.
Who qualifies?
You need 40 work credits to qualify for retirement benefits — roughly 10 years of work. In 2026, you earn one credit for each $1,890 in covered earnings, up to four credits per year ($7,560 total). To check your eligibility, see How Do I Know If I Qualify for Social Security.
For the maximum Social Security benefit, you need 35 years of earnings at or above the Social Security taxable maximum — a threshold very few workers reach.
When to Claim: 62 vs. 67 vs. 70
This is the single biggest financial decision in Social Security planning. Delaying from 62 to 70 increases your monthly benefit by roughly 77% (the FRA benefit is about 43% higher than the age-62 benefit, and the age-70 benefit is another 24% above FRA) — for life.
| Claiming Age | Illustrative Monthly Benefit (avg earner) | Annual | Lifetime Total (to age 85) |
|---|---|---|---|
| 62 | ~$1,450 | ~$17,400 | ~$400,200 |
| 67 (FRA) | $2,071 | $24,852 | ~$447,336 |
| 70 | ~$2,568 | ~$30,816 | ~$462,240 |
*Lifetime totals are simplified (monthly benefit × months from claiming age to 85, no COLA compounding) and are for illustration only.
The break-even calculation
If you delay from 62 to 67, you give up 5 years of payments (60 months × ~$1,450 = ~$87,000) to receive a higher benefit of about $621/month more. Dividing $87,000 by $621 gives roughly 140 months, or about 11.7 years — meaning the break-even point is approximately age 79. For 62 vs. 70, giving up 96 months of ~$1,450 payments (~$139,200) against a ~$1,118/month advantage puts the break-even at roughly age 80. Use our When to Claim Social Security (Break-Even Ages) to model your exact numbers based on your benefit amount and life expectancy.
When claiming early makes sense
- Poor health or family history of shorter lifespan
- You need the income and have no other sources
- You’re using a “claim and invest” strategy (risky, rarely optimal)
- Spousal strategy: the lower earner claims early while the higher earner delays
When waiting until 70 makes sense
- Good health and family longevity
- You have other income sources (401(k), IRA, pension, part-time work)
- You’re the higher earner in a married couple (maximizes survivor benefits)
- You want to minimize sequence-of-returns risk in early retirement
For a detailed claiming strategy, see When to Claim Social Security. Our full retirement age chart shows your exact FRA based on birth year.
Spousal and Survivor Benefits
Social Security isn’t just about your own work record. Spouses, ex-spouses, and survivors have important benefit options.
Spousal benefits
A spouse can claim up to 50% of the higher earner’s PIA, even if they have little or no work history. To qualify:
- Be married for at least 1 year (or be caring for a qualifying child)
- Be at least 62
- The higher-earning spouse must have filed for benefits
Divorced spouses can also claim on an ex’s record if the marriage lasted 10+ years and they haven’t remarried. For the full rules, amounts, and timing, see our Social Security Divorce Benefits guide.
For the full breakdown, see our Social Security Spousal Benefits guide.
Survivor benefits
When a worker dies, the surviving spouse can receive up to 100% of the deceased’s benefit (if claiming at FRA or later). This is why it often pays for the higher earner to delay claiming — it maximizes the survivor benefit that protects the lower-earning spouse.
See Social Security Survivor Benefits for the complete rules and claiming process.
Social Security and Taxes
How much of your Social Security is taxable depends on your “combined income” (adjusted gross income plus nontaxable interest plus half your benefits). Below $25,000 (single) or $32,000 (joint), none of it is taxed; above those levels, up to 50% and then up to 85% can be taxable. See the Social Security tax guide for the full rules and worked examples. Taxable benefits are then taxed at your ordinary income tax rate, not at a flat 85%.
COLA: Cost-of-Living Adjustments
Social Security benefits increase annually based on the Consumer Price Index for Urban Wage Earners (CPI-W). This COLA adjustment is meant to keep benefits in line with inflation.
| Year | COLA | Year | COLA |
|---|---|---|---|
| 2026 | 2.8% | 2022 | 5.9% |
| 2025 | 2.5% | 2021 | 1.3% |
| 2024 | 3.2% | 2020 | 1.6% |
| 2023 | 8.7% | 2019 | 2.8% |
The 2023 COLA of 8.7% was the largest in over 40 years, driven by the 2022 inflation surge. While COLAs protect against inflation on paper, critics note that the CPI-W may not accurately reflect senior spending patterns — particularly rising healthcare costs.
For the complete year-by-year history and analysis, see Social Security COLA History.
Working While Receiving Social Security
You can work and collect Social Security at the same time, but if you’re under FRA, the earnings test temporarily reduces your benefit:
| Status | Earnings Limit (2026) | Reduction |
|---|---|---|
| Under FRA all year | $24,480 | $1 withheld per $2 over limit |
| Reaching FRA this year | $65,160 | $1 withheld per $3 over limit |
| At or above FRA | No limit | No reduction |
The key word is temporarily — any benefits withheld are added back to your monthly payment after you reach FRA. It’s not lost money, just delayed.
For the full rules, see Social Security Earnings Limit. If you’re also collecting unemployment, see Can You Collect Unemployment and Social Security.
For the specific dollar thresholds, see Social Security Earnings Limit.
Social Security Fairness Act (2025)
The Social Security Fairness Act was signed into law on January 5, 2025, permanently eliminating two provisions that had reduced benefits for millions of government workers for decades:
- Windfall Elimination Provision (WEP): Previously reduced your own Social Security benefit if you also received a pension from a job not covered by Social Security (teachers, police, firefighters, state employees).
- Government Pension Offset (GPO): Previously reduced spousal and survivor benefits by two-thirds of a government pension amount — often eliminating them entirely.
More than 2.8 million teachers, police officers, firefighters, and other public employees are now receiving higher monthly benefits, plus lump-sum retroactive payments covering benefits from January 2024 forward. By mid-2025, the SSA reported it had issued more than 3.1 million retroactive payments totaling roughly $17 billion. If you worked in a non-SS-covered government job and haven’t seen your benefit increase, contact the SSA at 1-800-772-1213.
See the full Social Security Fairness Act guide for who qualifies, worked examples, and back-payment details.
Social Security Disability (SSDI)
SSDI provides benefits to people who can’t work due to a qualifying disability. The requirements are strict:
- You must have worked long enough and recently enough (generally 5 of the last 10 years)
- Your condition must be expected to last at least 12 months or result in death
- You must be unable to perform “substantial gainful activity” (earning more than $1,690/month in 2026 for non-blind individuals; $2,830/month for blind individuals)
SSDI benefits are based on the same earnings formula as retirement benefits. The average SSDI payment is about $1,586/month in 2026. At full retirement age, SSDI automatically converts to retirement benefits at the same dollar amount.
See our full Social Security Disability Benefits guide for eligibility requirements, the application process, and appeal strategies.
Payment Schedule
Social Security payments follow a set monthly schedule based on your birth date:
| Birth Date | Payment Day |
|---|---|
| 1st – 10th | Second Wednesday |
| 11th – 20th | Third Wednesday |
| 21st – 31st | Fourth Wednesday |
If you receive both Social Security and SSI, your payment arrives on the 3rd of each month. Payments before 1997 all arrived on the 3rd.
Direct deposit is the fastest and most secure way to receive payments — paper checks can arrive 1-3 days later. For the complete 2026 schedule with exact dates, see our Social Security Payment Schedule.
Need to contact the SSA? See Social Security Phone Number for all contact options including the national hotline, local office finder, and online account access.
Will Social Security Run Out?
The 2026 Trustees Report projects that the retirement and survivors (OASI) trust fund will be depleted in 2032 and the combined OASI and disability funds in 2034. But “running out” doesn’t mean benefits stop:
| Scenario | What It Means |
|---|---|
| Trust fund depleted | Reserves reach $0 |
| Benefits continue | Ongoing payroll taxes fund about 78% of scheduled retirement and survivor benefits after OASI depletion (about 83% on a combined-fund basis) |
| Worst case (no action) | An across-the-board cut of about 22% for retirement and survivor benefits |
| Most likely | Congress adjusts taxes, retirement age, or the benefit formula before depletion |
Congress has intervened before — in 1983, bipartisan reforms (raising the retirement age, expanding taxation of benefits) extended solvency by decades. Similar action is expected, though the specifics are politically uncertain.
For a deeper analysis, see Social Security Trust Fund 2035.
Common Social Security Mistakes
The biggest mistakes people make with Social Security:
1. Claiming at 62 by default. The permanent 30% reduction can cost the average retiree well over $100,000 over their lifetime. Our guide on Social Security claiming mistakes covers the most costly errors.
2. Not checking your earnings record. Errors in your SSA record reduce your benefit. Review your statement annually at ssa.gov.
3. Ignoring spousal strategies. Married couples who coordinate claiming can capture hundreds of thousands more in lifetime benefits.
4. Not understanding taxation. Roth conversions before claiming SS can reduce the tax burden on your benefits for decades.
5. Forgetting about the earnings test. Working while collecting before FRA triggers benefit withholding that surprises many early retirees.
Quick Reference Table
| Topic | Key Number | Learn More |
|---|---|---|
| Average benefit (all retired workers) | $2,071/mo | Social Security benefits |
| Maximum benefit (age 70) | $5,181/mo | Maximum benefit |
| Full retirement age | 67 (born 1960+) | FRA chart |
| 2026 COLA | 2.8% | COLA 2026 |
| Earnings limit (under FRA) | $24,480 | Earnings limit |
| Credits needed | 40 (10 years) | Qualification guide |
| Trust fund depletion | 2032 (OASI), 2034 (combined) | Trust fund analysis |
| SS taxable above | $25K single / $32K married | SS tax guide |
The Bottom Line
Social Security replaces about 40% of pre-retirement income for average earners — not enough to live on alone, but a critical foundation. The two most impactful things you can do are: delay claiming as long as possible (especially if you’re the higher earner in a couple), and build enough savings to bridge the gap between retirement and age 70. Every year you delay past 62 adds roughly 6-8% to your permanent monthly benefit.
Claiming Strategy: Key Decision Paths
Single retiree with limited guaranteed income
If Social Security is your primary income source, delaying may improve income-floor stability. Model longevity assumptions alongside near-term spending coverage.
Married household with uneven earnings
Spousal and survivor dynamics often dominate. In many cases, optimizing the higher earner’s strategy improves survivor protection for the lower earner.
Early retiree with bridge years
If you retire before claiming, the question is how to fund the gap without harming long-term tax efficiency. Coordinate Social Security timing with portfolio withdrawals and tax brackets.
Annual Planning Checklist
Before each new year, run this quick audit:
- Confirm updated COLA assumptions in your retirement budget.
- Re-check expected annual taxable benefit amount.
- Revisit spousal strategy if household income changed.
- Validate withdrawal order across taxable, tax-deferred, and tax-free accounts.
- Recalculate expected income floor vs. required spending floor.
Social Security Cluster: All Related Articles
Core claiming guides
- When to Claim Social Security
- Full Retirement Age Chart
- Social Security for Married Couples: Claiming Strategy
Benefit amounts and data
- Social Security Calculator
- Maximum Social Security Benefit
- Average Social Security Benefits by State
- How Social Security Is Calculated (AIME, PIA & Bend Points)
- Average Social Security Benefit at 62
- Average Social Security Benefit at 65
- Average Social Security Benefit at 70
COLA and updates
Spousal and survivor benefits
Self-employment and special situations
Taxes and earnings limits
Payment and administration
- Social Security Payment Schedule
- Social Security Phone Number
- How Do I Know if I Qualify for Social Security
- How to Apply for Social Security
- Can You Collect Unemployment and Social Security
- What Is My Social Security Number? Finding or Replacing Your Card
Disability and SSI
- Social Security Disability Benefits (SSDI)
- Which Conditions Qualify for Disability
- Supplemental Security Income (SSI)
- VA Disability Rates
Related retirement hubs
See parent hub: Retirement
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