How Does Social Security Work? A Step-by-Step Guide

Dan Hummert, Financial Advisor with Hummert Financial.
Dan Hummert
President & Senior Wealth Advisor
Voters at a polling station, symbolizing civic engagement in programs like Social Security that impact retirement and financial security.

Published On

March 3, 2025

Table Of Contents

What is Social Security?

Social Security is a federal benefits program that provides financial assistance to eligible individuals, including retirees, disabled persons, and survivors of deceased workers. It was established in 1935 through the Social Security Act, which aimed to create a safety net for Americans in their retirement years or in cases of unforeseen financial hardship. Today, Social Security is one of the most critical sources of retirement income for millions of Americans.

The Purpose of Social Security

Social Security serves multiple essential functions:

  • Provides financial security for retirees who have spent years contributing to the program through payroll taxes.
  • Assists disabled individuals who are unable to continue working due to severe medical conditions.
  • Supports the families of deceased workers, ensuring spouses and children have financial assistance.
  • Acts as a foundation for retirement income planning, supplementing pensions, savings, and investments.

The program is administered by the Social Security Administration (SSA), which oversees the collection of payroll taxes and the distribution of benefits to eligible individuals.

Who is Eligible for Social Security?

Individuals must meet specific eligibility criteria based on work history, age, and certain life circumstances to qualify for Social Security benefits.

Retirement Benefits Eligibility

  • Must have accumulated at least 40 work credits over their lifetime, typically equivalent to 10 years of work.
  • Can begin receiving benefits as early as age 62, but the benefits will be reduced compared to waiting until Full Retirement Age (FRA).
  • Full Retirement Age (FRA) varies based on birth year, ranging from 66 to 67.
  • Individuals who delay claiming benefits beyond FRA can increase their monthly payments until age 70 through delayed retirement credits.

Disability Benefits Eligibility

  • Available to individuals with a medical condition preventing them from working for at least 12 months.
  • The condition must be recognized as a qualifying disability by the SSA.
  • Requires sufficient work credits, though younger workers may qualify with fewer credits.

Survivor Benefits Eligibility

  • Widows, widowers, and dependents of deceased workers may qualify for survivor benefits.
  • The benefit amount depends on the earnings history of the deceased worker and the age at which the survivor claims benefits.
  • Surviving spouses can claim reduced benefits as early as age 60 (or age 50 if disabled).
  • Children under 18 (or up to 19 if still in school) may also qualify for survivor benefits.

Dependent Benefits

  • Spouses of retired or disabled workers can claim spousal benefits.
  • Divorced spouses may be eligible for benefits if they were married for at least 10 years and remain unmarried.
  • Children of eligible workers may receive benefits if they meet certain age and dependency requirements.

How Are Social Security Benefits Calculated?

Social Security benefits are determined based on a worker’s average indexed monthly earnings (AIME) and the age at which they claim benefits. The SSA uses a complex formula to calculate individual benefits, but the key factors include work history and claiming age.

Work Credits & Earnings History

  • Workers accumulate credits based on their earnings, with a maximum of four credits per year.
  • In 2024, one credit is earned for every $1,730 in wages or self-employment income.
  • Benefits are based on the highest 35 years of earnings, adjusted for inflation.

Claiming Age Impact on Benefits

The age at which you choose to claim Social Security benefits has a lasting impact on your monthly payments. Claiming before full retirement age results in a permanent reduction in benefits, while delaying beyond FRA can increase benefits by 8% per year until age 70, maximizing lifetime payouts.

Claiming AgeBenefit Amount
62 (Earliest)Reduced Benefits (~70-75%)
FRA (66-67)Full Benefits (100%)
70Maximum Benefits (Up to 132%)

How to Apply for Social Security Benefits

There are several ways to apply for Social Security benefits. The SSA offers both online and in-person options.

Online Application

  • Visit SSA.gov to apply online.
  • Requires entering work history, Social Security number, and direct deposit details.

In-Person or Phone Application

  • Visit a local Social Security office (appointments recommended).
  • Call 1-800-772-1213 to apply or ask questions.

Required Documents

  • Proof of birth (birth certificate or passport).
  • Social Security number.
  • U.S. citizenship or lawful residency proof.
  • Earnings records (tax returns, W-2s).

How Social Security Fits Into Your Financial Plan

While Social Security is often the primary source of retirement income, one should consider supplementing it with other financial strategies.

Options for Supplementing Social Security Income

While Social Security provides a foundation for retirement income, it is rarely enough to cover all expenses. Retirees should consider additional income sources to help create a more well-rounded financial picture. The following options may help supplement Social Security:

  • Employer-Sponsored Retirement Plans (401(k), 403(b)): Tax-advantaged retirement savings accounts offered by employers, where employees can contribute a portion of their salary, often with employer-matching contributions. 
  • Individual Retirement Accounts (IRA, Roth IRA): Personal retirement accounts that offer tax advantages. Traditional IRAs allow tax-deductible contributions with taxable withdrawals in retirement, while Roth IRAs use after-tax contributions but offer tax-free withdrawals.
  • Pensions:  Employer-funded retirement plans that provide a guaranteed income stream in retirement, typically based on salary and years of service. It is less common in the private sector but still prevalent in government and unionized jobs.
  • Personal Savings & Investments: Assets such as stocks, bonds, mutual funds, and annuities that may generate income and capital appreciation, supplementing retirement income beyond Social Security.

Planning for Taxes on Social Security

Social Security benefits are taxed based on total income, and up to 85% of benefits are potentially subject to federal taxes. 

Strategic withdrawals from retirement accounts, such as IRAs and 401(k)s, may help manage taxable income and reduce overall tax liabilities. Additionally, state tax laws vary—some states tax Social Security benefits, while others do not. Because tax implications differ based on individual circumstances, it’s essential to consult a qualified tax professional or financial advisor who can provide guidance tailored to your situation.

Adjusting for Inflation and Cost-of-Living Adjustments (COLA)

  • Social Security benefits are adjusted for inflation annually through the Cost-of-Living Adjustment (COLA).
  • In 2023, COLA increased benefits by 8.7%, one of the largest adjustments in decades.
  • COLA ensures that retirees maintain their purchasing power despite inflationary trends.

Long-Term Considerations for Social Security

When planning for retirement, it’s important to consider the long-term outlook for Social Security. Future retirees should be aware that potential changes to Social Security funding could impact their benefits. 

Possible reforms include raising the retirement age, increasing payroll taxes, or modifying benefit structures. Given this uncertainty, diversifying retirement income sources—such as employer-sponsored plans, IRAs, pensions, and personal investments—can help mitigate risk and reduce reliance on Social Security alone.

Frequently Asked Questions (FAQs)

What is the earliest age I can claim Social Security benefits?

You can claim Social Security benefits as early as age 62, but your monthly payments will be permanently reduced compared to waiting until Full Retirement Age (FRA).

How do I check my Social Security benefits?

You can check your estimated Social Security benefits by creating an account on the Social Security Administration website and using their benefits calculator.

Can I work while receiving Social Security benefits?

Yes, you can work while receiving Social Security, but if you claim before FRA, your benefits may be reduced if your earnings exceed the annual limit. Once you reach FRA, your benefits will no longer be reduced based on earnings.

Do Social Security benefits increase with inflation?

Yes. Social Security benefits are adjusted annually through Cost-of-Living Adjustments (COLA) to help keep up with inflation. The adjustment varies each year based on economic conditions.

What happens if I delay claiming Social Security past my full retirement age?

Each year you delay claiming Social Security past your FRA (up to age 70), your benefits increase by 8% per year through delayed retirement credits.

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