Social Security started as a Depression-era emergency and became permanent

Social Security began in 1935 as a response to the Great Depression, when roughly half of Americans over 65 lived in poverty. President Franklin D. Roosevelt signed the Social Security Act on August 14, 1935. The program was designed to provide monthly payments to retired workers, their families, and people who could not work due to disability. It was not meant to be the sole source of retirement income — it was meant to replace lost wages when a worker could no longer earn.

The first person to receive a Social Security check was Ida May Fuller, a retired legal secretary from Vermont, who got her first payment on January 31, 1940. She had paid into the system for only three years but lived to age 100, collecting far more than she contributed. That early mismatch between contributions and benefits shaped how the program evolved: it was never purely a savings account where you got back what you put in.

The program expanded steadily through the 1950s and 1960s. In 1956, Social Security added survivor benefits — payments to the families of workers who died before retirement. In 1965, Congress added Medicare, which is separate from Social Security but often confused with it. By the 1970s, Social Security had become the primary income source for most retirees, a role it still holds today.

Key Takeaways

  • Social Security was created in 1935 during the Great Depression and has been modified many times since, most recently with major changes in 1983.
  • The program originally covered only workers in certain industries; it was expanded in 1950 to include farm workers, domestic workers, and the self-employed.
  • Payroll taxes that fund Social Security were first set at 1 percent on both employer and employee; today they are 6.2 percent each, plus 1.45 percent for Medicare.
  • The earliest age to claim retirement benefits was always 65, but the full retirement age has gradually increased to 67 for people born in 1960 or later.
  • Social Security's trust fund has faced projected shortfalls since the 1980s, leading to ongoing debate about the program's long-term structure.

How the payroll tax system was built and changed

When Social Security launched, the payroll tax was 1 percent of wages, split equally between worker and employer. The tax applied only to the first $3,000 of annual income. In 1939, just four years after the program started, Congress raised the tax rate and expanded coverage to include spouses and children of retired workers — a major shift that made Social Security a family program, not just an individual one.

The tax rate and wage cap have both grown substantially. By 1960, the tax was 3 percent on each side. By 1980, it was 5.85 percent. The 1983 amendments — the last major overhaul — raised the rate to 6.2 percent for Social Security and added 1.45 percent for Medicare, where it has stayed since. The wage cap, which determines the maximum income subject to the tax, is adjusted each year based on national wage growth. In 2024, the cap was $168,600; in 2025, it is $176,100.

These changes were not accidental. The 1983 amendments were passed after a commission led by Alan Greenspan warned that the trust fund would run out of money within months. Congress raised taxes and gradually increased the full retirement age to shore up the system. That commission's work is still the most recent major legislative fix to Social Security's structure.

may be able to access rules have expanded far beyond the original design

In 1935, Social Security covered only workers in commerce and industry — roughly 60 percent of the workforce. Farm workers, domestic workers, and the self-employed were excluded, which meant most Black workers, women in household service, and agricultural workers received no coverage. This was not accidental; Southern lawmakers wanted to exclude workers in those categories.

In 1950, Congress extended coverage to farm workers, domestic workers, and the self-employed. By 1956, coverage had expanded to include almost all workers except federal employees (who had their own pension system) and some state and local government workers. Today, roughly 96 percent of workers pay into Social Security. The main exceptions are certain federal employees hired before 1984 and some state and local government workers in systems that opted out decades ago.

The definition of who could receive benefits also changed. Originally, only retired workers aged 65 and older could collect. In 1939, spouses and children became may be able to access. In 1956, women could claim at 62 (though with a reduced benefit), and disabled workers of any age became may be able to access. In 1972, the program added Supplemental Security Income (SSI), a separate needs-based program for elderly, blind, and disabled people with low income — though SSI is funded by general tax revenue, not the Social Security payroll tax.

The full retirement age has shifted multiple times

When Social Security began, the full retirement age was 65. That age was chosen partly because it was already the standard in some private pension plans and partly because life expectancy was lower — the average American in 1935 did not live much past 60. But people who did reach 65 often lived for many more years, and the program's designers knew this.

The full retirement age stayed at 65 for decades. In 1983, as part of the amendments that raised payroll taxes, Congress began gradually increasing it. For people born between 1943 and 1954, the full retirement age is 66. For people born between 1955 and 1959, it increases by two months for each birth year. For people born in 1960 or later, the full retirement age is 67. This phase-in was intentional — it gave workers time to adjust their retirement planning.

The earliest age to claim benefits has always been 62, but the reduction for claiming early has changed as the full retirement age moved. Someone born in 1960 or later who claims at 62 receives about 70 percent of their full benefit amount, compared to about 80 percent for someone born in 1943. Delaying past the full retirement age increases the benefit: for every year delayed up to age 70, the benefit grows by about 8 percent per year.

Benefit formulas have been adjusted to control costs

The original Social Security benefit formula was straightforward: it replaced a percentage of average wages. But as the program matured and more people lived longer, the cost grew faster than expected. Congress made several changes to control spending without cutting benefits for current retirees.

In 1977, Congress changed how benefits are calculated. Instead of using a worker's average wage over their entire career, the formula now uses the highest 35 years of earnings. This change meant that workers with longer careers or higher recent earnings would see different benefit amounts. In 1983, Congress also made up to 85 percent of Social Security benefits taxable income for higher-income retirees — the first time benefits themselves were subject to federal income tax.

The benefit formula itself uses a progressive structure: lower-wage workers get a higher percentage of their pre-retirement earnings replaced, while higher-wage workers get a lower percentage. This design reflects the program's original purpose: to prevent poverty among retired workers, not to maintain the exact standard of living for high earners.

The trust fund and long-term solvency concerns

Social Security is funded by current payroll taxes, not by investment returns or general tax revenue. Workers and employers pay in; current retirees and disabled workers are paid out. When there is more money coming in than going out, the surplus goes into the Old-Age and Survivors Insurance Trust Fund and the Disability Insurance Trust Fund — two separate accounts that hold Treasury bonds.

For most of Social Security's history, payroll tax revenue exceeded benefit payments. The surplus grew substantially from the 1980s onward, reaching a peak of about $2.8 trillion in 2021. But as the Baby Boom generation retired and life expectancy increased, benefit payments began to exceed tax revenue. In 2021, the trust funds began drawing down their reserves. Current projections suggest the Old-Age and Survivors Insurance Trust Fund will be depleted around 2033 if no changes are made.

When a trust fund is depleted, it does not mean Social Security stops. It means incoming payroll taxes can cover only about 80 percent of scheduled benefits. Congress would need to act — either by raising the payroll tax, raising the wage cap, reducing benefits, raising the full retirement age, or some combination — to maintain full payments. This situation has been projected since the 1980s, but no legislative action has been taken since 1983.

How Social Security differs from private pensions and savings accounts

Social Security is often misunderstood as a savings account where your contributions are held and returned to you. It is actually a pay-as-you-go system: current workers' taxes pay current retirees' benefits. This structure means your benefit is not directly tied to what you paid in. Ida May Fuller paid in for three years but collected for 35 years; others who paid in for 40 years and died at 62 received far less.

This design has consequences. If you die before claiming, your contributions do not pass to your heirs (though your family may receive survivor benefits if they meet the program's rules). If you live a very long time, you receive far more in total benefits than you paid in taxes. The program redistributes money from short-lived workers to long-lived ones, and from higher-wage workers to lower-wage ones, by design.

Private pensions and 401(k) plans work differently: your contributions and investment returns belong to you, and any balance passes to your heirs. Social Security provides a may provide monthly payment for life, adjusted for inflation, which private accounts cannot match. Understanding this difference is important when comparing Social Security to other retirement income sources.

Frequently Asked Questions

Why did Social Security originally exclude farm workers and domestic workers?

The 1935 law excluded these groups partly for administrative reasons — they were harder to track and tax — but also because Southern lawmakers wanted to exclude Black workers who made up a large share of farm and domestic labor. The exclusion was intentional policy, not an oversight. Congress removed it in 1950 under pressure from civil rights advocates and labor unions.

Has Social Security always paid benefits to disabled workers?

No. Social Security originally paid only retired workers aged 65 and older. Disabled workers became may be able to access in 1956, and the program added Supplemental Security Income for low-income elderly and disabled people in 1972. These expansions made Social Security a broader social insurance program, not just a retirement program.

What happens to Social Security when the trust fund runs out?

The trust fund does not disappear; it means incoming payroll taxes will cover only about 80 percent of scheduled benefits. Congress would need to change the law — by raising taxes, raising the wage cap, reducing benefits, raising the full retirement age, or some combination — to maintain full payments. No action has been taken since 1983, though the projected shortfall has been known for decades.

Why is the full retirement age 67 now instead of 65?

Congress raised it gradually starting in 1983 because people were living longer and the program's costs were rising. The increase was phased in over many years so workers could adjust their retirement planning. The change reflects the reality that someone retiring at 67 today will likely live as long as someone retiring at 65 did in 1983.

Can I get back the Social Security taxes I paid if I never claim benefits?

No. Social Security taxes fund current benefits; they are not held in an individual account. If you die before claiming, your taxes do not pass to your heirs, though your family may receive survivor benefits if they meet the program's rules. This is one of the key differences between Social Security and a private savings account.