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Defined-Benefit Pension Plan

Pension arrangement that promises a specified retirement benefit, usually based on salary, service, and plan formula.

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A defined-benefit pension plan is a pension plan that promises a specified retirement benefit rather than leaving the final retirement outcome entirely to an investment account balance.

The benefit is usually determined by a formula tied to salary history, years of service, and plan-specific accrual rules.

Why It Matters

Defined-benefit plans matter because they shift more retirement-risk management onto the sponsor instead of the individual worker.

  • benefit levels are formula-based rather than purely market-based

  • funding discipline and actuarial assumptions become central

  • retirees often receive more predictable lifetime income

That predictability is why defined-benefit plans remain central in many public-sector and legacy employer retirement systems.

  • Pension Plan: Broader retirement-plan category that includes defined-benefit structures.

  • Pension: Income stream often generated by a defined-benefit plan.

  • Public Pension Funds: Large institutional pools often used to support defined-benefit obligations.

  • Retirement Benefits: Broader category of post-work benefits to which DB plans contribute.

Revised on Monday, May 18, 2026