Monthly Income for Life Pension vs. Lump Sum Payout

As retirement approaches, many people face a challenging decision regarding their pension benefits: whether to take a single lump-sum payment now or opt for a fixed monthly income for the rest of their lives. 

This choice is often irrevocable and carries significant implications for your retirement security and legacy. While we always recommend seeking advice from a qualified professional—such as a Certified Financial Planner (CFP®) or CPA—it is also essential to understand the mathematics behind the offer.

The “Yield” Trap

A common mistake annuity takers make is confusing cash-on-cash yield, “Cash Flow Yield,” with the actual “Return on Investment” (ROI).

Let’s look at a real-world example.

Imagine a 65-year-old male is offered a choice: A $100,000 lump sum or a guaranteed payment of $647 per month ($7,764 annually) for life. 

Click here for Schwab’s current estimated rate on a competitive retail fixed life annuity

On the surface, the math might looks incredibly compelling (especially when presented by an insurance agent):

In a world where a high-yield FDIC-insured CD might pay 3.5% or 4.5%, a 7.76% yield sounds unbeatable. However, this is NOT your interest rate. This number includes the return of your own principal. To determine if this is a good deal, we have to calculate the Internal Rate of Return (IRR).

Analyzing the Numbers

The Internal Rate of Return on a life annuity or pension payout changes depending on one major variable: How long you live. We have developed a specific tool to help our clients visualize this trade-off. Take a look at the analysis below:

What the Data Tells Us

Using our Pension and Annuity Rate of Return Estimator, we can see the mathematical reality of the annuity option:

1. The “Loss” Years (Age 65–76): If you pass away before age 78, you have technically lost money on the deal. You haven’t yet received your full $100,000 back in payments.

2. The Breakeven Point (Age 77): You must live to age 78 just to get your money back. At this age, your internal rate of return is barely positive (0.13%).

3. Life Expectancy (Age 82-83): If you live to the statistical life expectancy of an average 65-year-old male, your actual return is roughly 4.31% to 4.79%.

The Verdict

While the marketing brochure might imply a payout rate of over 7%, the actual return for someone living an average lifespan is closer to a conservative bond return (~4.0% to 5%).

However, the annuity offers something the lump sum does not: Longevity Credits. If you live to age 90 or 95, the IRR jumps to 6.79% or 6.95%, respectively. A fixed life annuity is not an investment for high growth; it is insurance against living a long time.

Run Your Own Numbers

Every pension offer is different, and every retiree’s health situation is unique. To help you make an informed decision, we are making our analysis tool available.

👉 Download Our Pension and Annuity Rate of Return Calculator (Excel)

Still unsure which option is right for your retirement plan?

Don’t make an irrevocable decision alone. Contact Successful Portfolios today to schedule a consultation with a wealth management advisor.