Retirement accounts
Are Annuities a Good Investment? Why They're Insurance, Not an Investment
Are annuities a good investment? An annuity is insurance against outliving your money. The math on SPIAs, variable annuity fees, and annuity vs 401(k).

Are annuities a good investment? Graded as an investment, most of them look poor: high costs, dense contracts, and returns that rarely justify either. But that verdict comes from grading the product on the wrong exam. An annuity is not an investment. It is insurance, and what it insures against is living longer than your money does.
That single reframe settles most of the argument. Nobody asks whether their home insurance beat the market. They ask whether the premium is a fair price for the risk it removes. An annuity works the same way. The premium is your lump sum. The risk being removed is the risk that you are 94 years old with an empty account.
What follows puts the longevity risk in dollars, separates the four products that all get called annuities, and puts the fee criticism where it actually belongs.
What you are actually buying
Where does the income come from?
An insurer collects premiums from thousands of 65-year-olds and promises each of them a level income for life. Some of those people die at 72. Some live to 99. Every payment comes out of one pool, so the premiums of the people who die early fund the payments to the people who live long.
That transfer has a name: the mortality credit. It is the one source of return a portfolio cannot replicate, because a portfolio cannot inherit money from strangers. It is also the reason the payout rate on a lifetime annuity is higher than the withdrawal rate a self-managed pot of the same size can sustain.
The cost is symmetrical, and worth stating plainly. If you die at 72, most of the premium stays with the insurer and your heirs receive nothing, unless you paid extra for a rider that says otherwise. You are giving up the good case to be protected in the bad one.
The longevity problem, in dollars
Take $500,000 at age 65 and draw $32,500 a year from it. Whether that works depends entirely on the returns you happen to get.
At 3% a year the money runs out around age 86. At 5% it lasts to about 95. At 7% it never runs out at all, because $500,000 growing at 7% throws off $35,000 in the first year, more than the $32,500 being withdrawn.
Read that third case carefully, because it is the honest counterargument. When returns cooperate, the annuity hands you nothing you could not have produced yourself, and it hands your heirs nothing either. The annuity is not competing against your portfolio's average outcome. It is competing against your portfolio's worst outcome, at the ages when going back to work is no longer an option.
Two uncertainties stack up here. You do not know your return sequence, and you do not know your lifespan. A lifetime annuity does nothing about the first, and removes the second completely, which is what makes the first survivable. Whether the return sequence is forecastable at all is a separate and much harder question, and nothing in an annuity contract depends on the answer.
Types of annuities explained
"Annuity" covers four products that share a label and a tax treatment, and not much else.
| Type | What you get | Where the cost sits |
|---|---|---|
| Immediate (SPIA) | Lump sum in, income starts now, paid for life | Inside the payout rate, with no separate fee line |
| Deferred fixed | A stated interest rate for a term, income later | The spread between the rate credited and what the insurer earns |
| Variable | Sub-accounts that move with markets, often with a guarantee rider | Stacked explicit fees: M&E, fund expenses, rider charges |
| Indexed | Return linked to an index, with a floor and a ceiling | Caps, participation rates and spreads that trim the index return |
Why the SPIA sits at the transparent end of the family
A single premium immediate annuity is the simplest contract in the group. You hand over a lump sum and you receive a stated dollar amount every month for as long as you live. There is no fee schedule to read because there is no separate fee to disclose. The insurer's cost is already inside the payout rate it quotes.
That makes it unusually easy to compare. Every quote collapses to one number: monthly income per $100,000 of premium. Five insurers can be lined up and ranked in about thirty seconds. Very little else in retail finance is that legible, and most of the standard criticism of annuities does not describe this contract at all.
Why indexed contracts are harder than they look
An indexed annuity credits a return tied to an index, but not the index's return. A cap limits the upside in a given period. A participation rate gives you only a fraction of the move. A spread subtracts a fixed amount before crediting. And the index is usually measured on price alone, so dividends never reach you. Several of those levers can be reset by the insurer, within contract limits, after you have already bought. The floor is real. So is the distance between the index's return and yours.
Where the fee criticism actually lands
The case against annuities is mostly a case against variable contracts carrying riders. Here is the arithmetic.
A variable annuity charges in layers. The SEC puts the mortality and expense risk charge, which pays for the insurance wrapper, at "typically in the range of 1.25% per year", and administrative fees at around 0.15%. Two further layers sit on top: the expense ratios of the sub-accounts holding the money, and the cost of any living-benefit rider. The SEC names both as real charges but publishes no typical figure for either, and both vary widely from contract to contract.
So the total has to be built rather than looked up. Take the SEC's 1.25% for the wrapper, assume 0.85% across the sub-accounts and 1.05% for a living-benefit rider, and the contract runs 3.15% a year — before the administrative layer. Those last two numbers are assumptions, not measured industry averages, and the only ones that matter to you are in your own contract's prospectus fee table. Against that, a broad index fund held in a plain account commonly runs near 0.10%, before the trading costs that sit outside any published expense ratio.
Start with $250,000 and give both the same 7% gross return for 20 years. The plain account nets 6.90% and compounds to about $949,000. The variable annuity nets 3.85% and compounds to about $532,000. The gap is roughly $417,000, which is 44% of the ending balance of the cheaper account.
Nothing exotic is happening. Compounding a three-point handicap for two decades does this mechanically: (1.069 / 1.0385)20 is about 1.78, so the low-cost account ends up 78% larger on identical gross performance.
None of which makes the fee indefensible. The rider is buying a guarantee, and guarantees are not free. It does mean the all-in price of getting that guarantee, wrapper and sub-accounts included, is $417,000 in this example, and that is the number the guarantee has to be worth.
The liquidity you give up
Deferred annuities usually carry a surrender schedule: a declining penalty for taking the money back before the contract has run its term. Indexed universal life is sold with the same structure, and the two products share more than that — both wrap an investment story around an insurance chassis.
On a $100,000 contract with a seven-year schedule, walking away in year one costs $7,000. By year five it costs $3,000, and after year seven it costs nothing. Many contracts permit a limited penalty-free withdrawal each year, often around 10% of the balance, which softens the constraint without removing it.
Spread across the holding period the charge shrinks fast: 7% for an exit after one year, about 1% a year for an exit after four. The real cost is not the penalty. It is that the money is committed during the exact years when a medical bill, a roof, or a change of plan is most likely to show up.
Annuity vs 401(k): not the same category
This comparison gets made constantly, and it is a category error. A 401(k) is a tax wrapper, a container with rules about what goes in, what is deductible, and when it can come out. An annuity is a product, one that can be held inside such a wrapper or outside it.
Three mechanical differences matter:
- The match. An employer match is an immediate return on the contribution that no annuity payout rate comes near. A dollar going into a match is doing something structurally different from a dollar going into a premium, with the one condition that the employer's share is only yours once it has vested under the plan's schedule.
- Duplicated tax deferral. The headline tax feature of a deferred annuity is that gains compound untaxed until withdrawal. Inside a 401(k) or IRA that feature is already there. Buying a deferred annuity in one of those accounts means paying insurance charges for a benefit the account already provides. A SPIA held in an IRA is a different case, since the thing being bought there is the income guarantee, not the deferral.
- What each one solves. A 401(k) solves accumulation. A lifetime annuity solves decumulation, the problem of turning a pile into a paycheck. Investors who use both are not choosing between them. They are using the account to build the pile and, if they choose to, part of the pile to buy the paycheck.
One structure sits across both: the qualified longevity annuity contract, or QLAC. It is a deferred income annuity bought inside a retirement account, starting payments at an advanced age, and excluded from required minimum distribution calculations. The IRS caps how much can go into one.
So are annuities worth it?
The answer is not a property of the product. Mechanically, it turns on three things that can be measured.
First, how much guaranteed income is already in place. Social Security is itself an inflation-adjusted lifetime annuity. So is a traditional pension, which leaves the longevity risk with the employer instead of the retiree. A household whose essential spending is already covered by Social Security and a pension has already bought most of this insurance. A household whose fixed costs exceed its guaranteed income carries a gap that behaves exactly like an uninsured risk.
Second, how long the money has to last. The longer the horizon, the more the tail cases in the first chart dominate everything else. Annuitizing at 60 buys more years of protection at a lower payout rate; at 75 it buys fewer years at a higher one.
Third, the price of the guarantee. In a SPIA that price shows up as income lower than an optimistic portfolio might have produced. In a variable contract with a rider, it is the $417,000 in the second chart. Same question, wildly different magnitudes.
The reframe is the whole point. "Are annuities a good investment" invites a comparison between a payout rate and the S&P 500, and by that test the answer is almost always no. "Is this a fair price for removing the risk of running out at 92" is a different question, and it is the one the product was built to answer.