If you have a pension, at some point you will get a packet with two numbers in it. One is a monthly payment for the rest of your life. The other is a single amount you can take now instead. The packet will explain the mechanics correctly and give you a deadline, and it will not tell you which one to pick, because it can't. That part is genuinely yours to work out.
Most of the advice available on this decision is either a rule of thumb or a sales pitch. What follows is neither. It's the set of things that actually move the answer, in the order they tend to matter.
First, understand where the lump sum number comes from
This is the part almost nobody explains, and it changes how you read the offer.
A lump sum is not a pot of money your employer has been setting aside with your name on it. It's a present-value calculation: what is a stream of future monthly payments worth in today's dollars? To do that math you need an interest rate, and federal law sets a floor on which rate a plan can use. Under Section 417(e)(3) of the tax code, plans use what are called minimum present value segment rates, published monthly by the IRS and derived from a corporate bond yield curve.
There are three of them, and they apply by how far away each payment is. The first segment rate covers payments in years one through five, the second covers years six through twenty, and the third covers year twenty-one and beyond. For plan years beginning in 2026, using November 2025 rates, those three rates were roughly 4.07 percent, 5.15 percent, and 6.01 percent.
Here is the consequence. Interest rates and lump sums move in opposite directions. When rates are higher, a smaller amount of money today is assumed to grow into the same future payments, so the lump sum is smaller. When rates are lower, the lump sum is larger. The same pension, promising the exact same monthly benefit, produces a materially different lump sum depending on the rate environment when it's calculated. Nothing about your service, your salary, or your benefit changed. The discount rate did.
Two practical notes follow from that. Your plan document specifies which month's rates apply and for how long, usually called a lookback month and a stability period, so the rate that applies to you is set by plan terms rather than by the day you happen to sign the form. And the calculation also uses a mortality table that federal rules update periodically, which nudges the number as well.
If you take one thing from this section: before you evaluate whether a lump sum offer is generous, it's worth knowing what rate environment produced it.
What the annuity is actually buying you
The monthly payment option gets described as the conservative, boring choice. That undersells what it does.
An annuity from a pension plan can help transfer two risks off your balance sheet. The first is investment risk, which people understand. The second is longevity risk, which some people consistently underestimate. If you take the lump sum, you have to fund an unknown number of years, and you don't get to know the number in advance. A monthly benefit for life doesn't care how long you live. That's not a small feature.
There's also a backstop most people don't know exists. Private-sector defined benefit pensions are insured by the Pension Benefit Guaranty Corporation. If a single-employer plan terminates without enough money, the PBGC pays benefits up to a legal maximum that's indexed each year. For plans terminating in 2026, the maximum monthly guarantee at age 65 is $7,789.77 for a straight-life annuity and $7,010.79 for a joint-and-50-percent survivor annuity, which works out to roughly $93,477 a year.
The important nuance: that protection attaches to the annuity. Once you take the lump sum, the money is yours and the PBGC is out of the picture, for better and worse. For most people the guarantee limits are high enough that they'd be fully covered, which makes this a smaller factor than it sounds. For someone with a large benefit, it's worth knowing where the ceiling sits.
The single-life versus survivor choice is a second decision hiding inside the first
If you're married and you choose the annuity, you're not choosing one thing. You're choosing between a larger payment that stops when you die and a smaller payment that continues to your spouse. Federal law treats the survivor version as the default for married participants and requires written spousal consent to waive it, which tells you how seriously the rules take this particular tradeoff.
People often compare the single-life monthly figure against the lump sum, because single-life is the biggest monthly number on the page. That's not a fair comparison if your spouse would need the income. Compare like for like.
Why the breakeven calculation is useful and not sufficient
The instinct is to find the age at which total annuity payments would exceed the lump sum, then bet on whether you'll get there. That calculation is worth doing. It just answers a narrower question than it appears to.
Breakeven math treats your lifespan as a single number when it's really a range of possibilities, and it usually ignores what the lump sum could reasonably earn in the meantime. More importantly, it treats the two options as a bet to be won. For most households the real question isn't which option produces more money in the median case. It's which option leaves you fine in the bad case. Those can have different answers.
What actually tends to tip the decision
In the conversations I have, a handful of factors do most of the work.
Health and family longevity matter, and they cut both ways. A serious health condition that shortens life expectancy is one of the few clean arguments for a lump sum. A family history of living into the nineties argues the other way.
How much other guaranteed income you'll have matters enormously. If Social Security plus a spouse's pension already covers your fixed costs, a lump sum is a different proposition than if the pension is the floor under your entire retirement. Cover the floor first.
Whether you want to manage a large balance is a real input, not a character flaw. Some people find it energizing and some find it a source of low-grade dread for twenty years. The second group should weight that honestly.
Estate goals matter. A lump sum can pass to heirs. A single-life annuity stops. If leaving something behind is a priority, that's a legitimate thumb on the scale.
And the rate environment matters, per the first section. A lump sum calculated in a low-rate period is a more generous conversion of the same benefit than one calculated in a high-rate period.
One tax mechanic worth knowing before the deadline
A lump sum moved directly into an IRA or another eligible retirement account keeps its tax deferral. A lump sum taken as cash is generally taxable as ordinary income in the year received, which can push a large one-time amount into higher brackets, with a possible additional penalty depending on your age and circumstances. The difference between those two paths is a paperwork election, and it is not reversible after the fact. This is worth confirming with a tax professional before you sign anything, not after.
What to gather before you decide
If you want to be ready rather than rushed, five documents cover most of it. Your most recent pension benefit estimate showing each payment option side by side. Your plan's summary plan description, specifically the sections on the interest rate basis and any deadlines. A current Social Security statement. A rough list of your fixed annual expenses in retirement. And your other retirement account balances, so you can see the whole picture rather than one piece of it.
The reason to gather these early is simple. Pension elections are commonly a one-time, irreversible choice, and the window to make them is short. There's a large difference between working through this a year out and working through it in the month the packet arrives.
Common questions
Is a lump sum or an annuity better?
Neither is better in the abstract, and anyone who answers that question without seeing your situation is guessing. The answer turns on your health and family longevity, how much other guaranteed income you'll have, whether your spouse needs continuing income, your comfort managing a large balance, your estate goals, and the interest rate environment used to calculate the offer.
Why did my lump sum offer get smaller when nothing about my pension changed?
Almost certainly because interest rates rose. A lump sum is the present value of your future monthly payments, and federal rules require plans to discount those payments using segment rates published monthly by the IRS. Higher rates mean a smaller amount today is assumed to grow into the same future benefit, so the lump sum shrinks. Your earned benefit did not change.
What happens to my pension if my employer goes under?
Private-sector single-employer defined benefit plans are insured by the Pension Benefit Guaranty Corporation, which pays benefits up to an annual maximum that is indexed each year. For plans terminating in 2026 the maximum monthly guarantee at age 65 is $7,789.77 for a straight-life annuity. That protection applies to the annuity. If you take a lump sum, the money is yours and the PBGC guarantee no longer applies to it.
Can I change my mind after I elect?
Usually no. Pension elections are commonly a one-time, irreversible choice, and the same is true of the survivor option you select. This is the main reason it's worth working through the decision well before the packet arrives rather than during the election window. Confirm the specific rules in your own plan documents.
Do I have to take the whole thing one way?
It depends entirely on your plan. Some plans permit a partial lump sum with a reduced annuity, and many do not. Your summary plan description is the place to confirm which options exist for you, since this varies plan by plan and is not something anyone can answer generically.
If you'd rather talk it through than read about it, you can book a complimentary conversation. If your pension sits alongside a 401(k) you've never had reviewed, the 401(k) Fee Review is a reasonable place to start instead. And if you work at SDG&E, there's a version of this written around the plan names you'll recognize on the SDG&E retirement planning page.
Segment rate and PBGC figures cited above are current as of 2026 and are adjusted annually. BAS Financial is not affiliated with, endorsed by, or sponsored by any employer or pension plan mentioned. This content is for informational and educational purposes only and should not be construed as investment, tax, legal, or retirement planning advice. Pension lump-sum and annuity options involve different risks, including investment risk, longevity risk, inflation risk, liquidity considerations, survivor benefits, and tax consequences. References to interest rates, PBGC guarantees, tax rules, and retirement income concepts are provided for educational purposes only and are subject to change. Individuals should consult qualified financial, tax, and legal professionals before making decisions regarding pension elections or retirement income strategies.