A pension, technically known as a defined benefit plan, is a retirement account that is funded and managed by your employer to provide you with a guaranteed monthly income for life after you retire.

Unlike a 401(k), where the payout depends on how well your investments perform, a pension payout is determined by a specific formula.

How the Pension Formula Works

Your future monthly check is typically calculated using three key variables:

  1. Years of Service: How long you worked for the company.
  2. Final Average Pay: Your highest salary (often the average of your last 3 or 5 years).
  3. Multiplier: A fixed percentage (often 1% to 2%) set by the employer.

Example: If you work 30 years for a company with a 2% multiplier and retire with a final average salary of $75,000, your annual pension would be:

$$30 \text{ years} \times 2\% \times \$75,000 = \$45,000 \text{ per year ($3,750/month$)}$$


Key Features of a Pension

  • Employer-Funded: In most private-sector plans, the employer contributes 100% of the money. In public-sector plans (like teachers or police), employees often contribute a small percentage of their paycheck as well.
  • Investment Risk: The employer bears all the risk. If the stock market crashes, the employer is still legally obligated to pay you your promised monthly amount.
  • Vesting: You usually have to work for a company for a set number of years (often 5) before you “own” the right to the pension. If you leave before then, you get nothing.
  • Lifetime Payments: Most pensions are paid as an annuity, meaning the checks continue until you die. Some plans also offer a “joint and survivor” option so your spouse continues to receive checks after you pass away.

Pension vs. 401(k) (2026 Comparison)

FeatureTraditional Pension401(k) Plan
TypeDefined BenefitDefined Contribution
Who Funds It?Primarily the EmployerPrimarily the Employee
Investment ChoiceManaged by EmployerManaged by You
Monthly IncomeGuaranteed for LifeNot Guaranteed
PortabilityHard to move to a new jobEasy to roll over to an IRA
2026 Contribution LimitN/A (Formula-based)$24,500 ($32,500 if 50+)

Is My Pension Safe?

In the United States, most private-sector pensions are insured by the Pension Benefit Guaranty Corporation (PBGC). If your company goes bankrupt, the PBGC steps in to pay your benefits, though there are legal caps on the maximum amount they will pay per person.