This article was originally published in October 2021 and has been updated in February 2026 to reflect current information.
We’ve always been told that the only certainties in life are death and taxes. Fair enough. But when it comes to retirement, most people would prefer a little more clarity, especially around income.
Financial planning tools can help estimate future income, but retirement is still built on assumptions. Longevity, health, inflation, and policy changes all play a role. No one knows exactly how long income will be needed or how markets will behave over a 20 to 30 year retirement.
Because of that uncertainty, most retirees rely on multiple income sources working together.
Here is a look at the most common options, along with additional ways some people choose to supplement their income.
Social Security
For many Americans, Social Security serves as a significant source of retirement income.
You can begin receiving benefits as early as age 62. However, starting early permanently reduces your monthly payment. Waiting to claim increases your benefit, with the largest monthly amount available at age 70.
If you claim before your full retirement age, your benefit is reduced. If you wait beyond full retirement age, your benefit increases by approximately 8 percent per year until age 70.
Employer-Sponsored Defined Contribution Plans
Defined contribution plans include accounts such as 401(k), 403(b), and 457 plans.
These plans allow employees to contribute pre-tax or Roth dollars. Many employers also offer matching contributions. Investments grow tax-deferred, or tax-free in the case of Roth accounts, provided withdrawal rules are met.
Contribution limits are updated annually by the IRS. In retirement, income typically comes from systematic withdrawals, lump-sum distributions, or rolling funds into an IRA.
Traditional Pension Plans (Defined Benefit Plans)
Although less common than in previous decades, traditional pensions still provide guaranteed monthly income for some retirees.
Benefits are generally calculated based on:
- Years of service
- Salary history
- Retirement age
Because they provide predictable lifetime income, pensions can reduce pressure on investment portfolios.
Individual Retirement Accounts (IRAs)
IRAs offer tax-advantaged retirement savings outside of employer-sponsored plans.
- Traditional IRAs may allow for tax-deductible contributions, with earnings growing tax-deferred until withdrawal.
- Roth IRAs are funded with after-tax dollars and grow tax-free. Qualified withdrawals in retirement are generally tax-free.
Required Minimum Distributions (RMDs) begin at age 73 or 75, depending on birth year, under current law.
Personal Investment Accounts
Taxable brokerage accounts can serve as flexible retirement income sources.
These may include:
- Stocks and bonds
- Mutual funds
- Exchange-traded funds (ETFs)
- Treasury securities
- CDs and savings accounts
Dividends, interest payments, and capital gains may all contribute to retirement income, though taxation varies by asset type and holding period.
Part-Time or Flexible Work
Retirement does not have to mean a complete exit from the workforce.
Some retirees choose consulting, seasonal work, or part-time employment. Beyond income, continued work can provide:
- Structure and routine
- Social interaction
- The ability to delay Social Security benefits
A report from the Congressional Research Service notes that a majority of retired-worker beneficiaries claim Social Security before reaching full retirement age.
Waiting until full retirement age can increase benefits by approximately 25–30% compared to claiming at 62, depending on birth year.
This strategy is not appropriate for everyone and depends on health, lifestyle, and employment opportunities.
Starting a Business or Monetizing a Skill
Some retirees explore:
- Franchise ownership
- Online businesses
- Consulting in their former field
- Monetizing hobbies
The growth of digital platforms has lowered barriers to entry for small business ventures. However, business income carries risk and should be evaluated carefully.
Annuities
Some retirees explore annuities as a way to convert a portion of savings into a stream of income.
Certain types of annuities can provide income for life or for a specified period. However, these products vary widely in cost, complexity, liquidity, and guarantees. They should be evaluated carefully within the context of an overall retirement income strategy.
Annuities are not appropriate for every investor and require careful review of contract terms and financial objectives.
Home Equity
For homeowners, housing wealth may serve as a supplemental income source.
Options may include:
- Downsizing to free up equity
- Renting a portion of the home
- Establishing a home equity line of credit (HELOC)
- Exploring reverse mortgages
The Consumer Financial Protection Bureau provides an overview of reverse mortgages and how they work, including eligibility requirements and repayment considerations.
These strategies require careful evaluation of long-term housing needs, liquidity, and estate planning goals.
A Little More Certainty
Retirement may last decades. That can feel intimidating, but it does not mean it has to feel unpredictable.
Most retirees rely on multiple income sources working together over time. The key is understanding how those sources interact and how they adapt as life changes.
The right approach depends on:
- How long income may be needed
- What your lifestyle requires
- Your comfort with market fluctuations
- Your broader tax and estate goals
You cannot control markets or longevity. But you can control how prepared you are.
And while we may not eliminate every uncertainty in retirement, a coordinated plan can help align income sources and reduce uncertainty over time. If you’re reassessing your retirement income strategy, it may be helpful to talk through your options with a qualified financial advisor.
