What Are the Social Security Rules You Should Know?

Social Security looks simple from the outside: work, pay in, collect a check. In practice, it’s governed by a dense set of rules that determine exactly how much you get, when you can get it, and who else in your family might qualify. Getting these rules wrong, especially the ones around claiming age and spousal benefits can cost a household tens of thousands of dollars over a lifetime, and many of those mistakes can’t be undone. Check out a rundown of the rules that matter most in 2026.

What are the rules of Social Security?

1. You need 40 work credits to qualify

Social Security retirement benefits are earned, not automatically. Workers accumulate credits based on earnings, up to four per year, and need 40 total, or typically about 10 years of work, to qualify for retirement benefits. In 2026, one credit requires $1,890 in earnings, so a worker needs $7,560 in covered wages to earn the maximum four credits for the year. Earning more than 40 credits doesn’t increase your benefit; the benefit formula instead looks at your highest 35 years of earnings.

2. Full retirement age is now 67

Full retirement age (FRA) is the age at which you receive 100% of your calculated benefit. For anyone born in 1960 or later, FRA is 67, and 2026 marks the completion of a phase-in that began decades ago raising FRA from 65. You can still claim as early as 62, but doing so locks in a permanently reduced benefit. You can also delay past FRA, up to age 70, to increase your monthly check.

3. Claiming early or late changes your check for life

Claiming Social Security early at 62 means your benefit is permanently reduced, or roughly 30% lower than your FRA amount for someone with an FRA of 67. If you wait past FRA then your benefit grows by about two-thirds of 1% per month, or roughly 8% per year, until age 70, when the increases stop. In 2026, the maximum possible benefit is $2,969 at 62, $4,207 at FRA, and $5,181 at 70. This assumes a full 35-year career at or above the taxable maximum every year. The average retired worker typically receives about $2,071 a month.

4. Working while collecting benefits can trigger the earnings test before FRA

Continuing to work while collecting Social Security might reduce your monthly benefits check due to a rule called the Social Security earnings test. You can work and collect Social Security at the same time, but if you’re under FRA, earnings above a set threshold cause the SSA to temporarily withhold part of your benefit. In 2026, workers under FRA all year can earn up to $24,480 before $1 is withheld for every $2 over that limit. In the year you reach FRA, the limit jumps to $65,160, with $1 withheld for every $3 over, only counting earnings before your birthday month. Once you reach FRA, the earnings test disappears entirely and you can earn any amount without any reduction. Importantly, withheld benefits aren’t lost forever: your monthly benefit is recalculated at FRA to gradually pay back what was withheld.

5. Benefits get an annual cost-of-living adjustment

Each year, the SSA adjusts benefits for inflation based on the Consumer Price Index for Urban Wage Earners and Clerical Workers. The Cost-Of-Living-Adjustment (COLA) for 2026 is 2.8%, raising the average retirement check by about $56 a month. The adjustment applies to everyone equally, whether you claimed decades ago or just this year, and it’s applied automatically starting with your Primary Insurance Amount at age 62 even if you haven’t claimed yet.

6. Spousal benefits max out at 50%

A spouse can claim up to 50% of the other spouse’s FRA benefit amount, not 50% of whatever the worker is actually receiving. Two conditions often trip people up: 1.) the higher-earning spouse generally must already be receiving benefits before the lower-earning spouse can claim a spousal benefit, and 2.) the spousal benefit itself never grows past the claiming spouse’s own FRA because there are no delayed retirement credits on spousal benefits. If you qualify for both your own retirement benefit and a spousal benefit, you don’t get both added together. Instead, you effectively receive the higher of the two.

7. Divorced spouses can claim too, without affecting their ex

If your marriage lasted at least 10 years, you’re currently unmarried, and you’re at least 62, you may be able to claim a benefit on an ex-spouse’s record, even if they’ve remarried. If you’ve been divorced for more than two years, you can generally claim even if your ex hasn’t filed yet, as long as they’re eligible. Critically, a divorced spouse’s claim has zero effect on the ex-spouse’s own benefit or on a current spouse’s benefit.

8. Survivor benefits follow a different, more flexible rule set

When a spouse dies, the survivor is generally able to receive up to 100% of what the deceased was receiving (or was eligible to receive), rather than the 50% cap that applies to spousal benefits. Survivor benefits can start as early as age 60, or 50 if disabled. Unlike retirement and spousal benefits they aren’t subject to “deemed filing.” That means a widow or widower can claim a reduced survivor benefit early while letting their own retirement benefit keep growing until age 70, then switch. Surviving divorced spouses qualify under the same 10-year marriage rule, and remarriage after age 60 generally doesn’t disqualify someone from survivor benefits.

9. Your benefits may be taxable

Depending on your total income, up to 85% of your Social Security benefit can be subject to federal income tax. The thresholds are based on combined income (adjusted gross income, plus nontaxable interest, plus half of your Social Security benefits): taxation can begin above $25,000 for single filers and $32,000 for married couples filing jointly. These thresholds are not indexed for inflation, so more retirees become subject to the tax each year as benefits and other income rise.

10. The taxable wage base rises every year

Social Security payroll tax is currently 6.2% each for employer and employee, or 12.4% for the self-employed. In 2026, that cap is $184,500, up from $176,100 in 2025. Earnings above the cap aren’t taxed for Social Security and also don’t count toward your future benefit calculation.

11. Disability benefits (SSDI) work differently than retirement benefits

Social Security Disability Insurance (SSDI) pays benefits to workers who become disabled before retirement age, but it runs on its own set of rules:

• Definition of disability. SSA’s standard is strict: your condition must prevent you from performing substantial gainful activity (SGA), and it must be expected to last at least 12 months or result in death. There’s no partial or short-term disability benefit.
• Work credits and “recent work” test. In addition to the standard 40-credit lifetime requirement, most adults also need to have worked recently (generally five of the last ten years) before becoming disabled. Younger workers can qualify with fewer credits.
• A five-month waiting period. SSDI payments don’t start until the sixth full month after your established disability onset date, and those five months are never paid retroactively. Back pay can cover up to 12 months before your application date, but not the waiting period itself. The one exception is ALS (Lou Gehrig’s disease), which has no waiting period at all.
• Benefit amount mirrors retirement benefits. SSDI uses the same Average Indexed Monthly Earnings/Primary Insurance Amount formula as retirement benefits which is essentially what you’d receive at full retirement age. In 2026, the average SSDI payment is about $1,634 a month, with a maximum around $4,152. Qualifying spouses and children can also receive benefits, up to a family maximum.
• Work incentives let you test returning to work. A nine-month Trial Work Period (spread over a rolling 60 months) lets you earn any amount in 2026. A month counts toward the TWP once you earn $1,210, while still collecting full SSDI. After that comes a 36-month Extended Period of Eligibility, during which you keep benefits for any month you stay under the Substantial Gainful Activity limit ($1,690 a month in 2026, $2,830 if blind). Go over SGA after that, and benefits generally stop, though Expedited Reinstatement lets you request benefits back within five years without a new application.
• Medicare comes later — 24 months after SSDI starts. This gap catches many recipients off guard, since SSDI approval doesn’t include immediate health coverage (ALS and end-stage renal disease are exceptions with no waiting period).
• SSDI is not the same as SSI. Supplemental Security Income (SSI) is a separate, needs-based program for people with limited income and resources, regardless of work history, paying up to $994 a month for an individual in 2026. Some people qualify for both at once, with SSI topping up a low SSDI payment.

Most Social Security mistakes aren’t about missing a form. They’re about misunderstanding timing, which is critical. When you claim Social Security, whether you’re still working, and whether you’re claiming on your own record or someone else’s all interact in ways that are easy to get wrong and hard to reverse. Before making a claiming decision, it’s worth running your specific numbers through SSA’s own calculators, a fee-only financial planner, or a Social Security-focused advisory service, rather than relying on rules of thumb.

If you are in need of a disability lawyer to help you determine your disability rights, Lowery Law Group is here to help you and will significantly increases your chances of getting your disability case won. We ease the stress during the appeal process and outline the proper medical records needed for your case. Contact Lowery Law Group at info@lowerylegal.com or call (843) 991-0733. There is no fee for a free consultation regarding your claim. Lowery Law Group is experienced in handling cases in South Carolina as well as Georgia.