Annuities Explained: How They Work and Who Needs One

Ask ten people what they think of annuities and you will get two answers, both delivered with total certainty.

"They are the only way to guarantee you never run out of money."

"They are expensive garbage sold by people with commission quotas."

Here is the thing. Both camps are describing real products. They are just describing different products that happen to share a name.

So before anyone tells you annuities are good or bad, you need to know which one is on the table. That is the whole article.

Strip away the marketing and there is one idea underneath.

You give an insurance company money. They promise you payments.

That is it. Everything else is variations on when the payments start, how long they last, what determines their size, and how much the company keeps along the way.

The CFPB has a plain language explanation of what an annuity is that is worth two minutes before any sales conversation.

Here is the part people miss: an annuity is an insurance contract, not an investment. You are not buying returns. You are buying the transfer of a specific risk, and the risk you are transferring is the one nobody else will take.

Longevity risk is the genuine case for annuities, and it is a real problem. A portfolio has to plan for the possibility that you live to 100. An annuity lets you plan for the average instead, because the contract covers the tail.

This table is the single most useful thing in this issue.

Notice the pattern. The products that do the actual job are the simplest and cheapest ones. The complexity and the cost rise together, and they rise fastest in the products that are easiest to sell.

That is not a conspiracy. It is just that "give us $200,000 and we will send you $1,100 a month until you die" is a hard thing to make exciting, while a product with an index, a cap, a bonus and a rider has a lot of surfaces to talk about.

Start with the simplest version, because it is the benchmark everything else should be measured against.

A single premium immediate annuity works like this: you hand over a lump sum, and the company pays you a fixed amount every month for as long as you live.

The payment depends on three things: your age, current interest rates, and whether you add options.

That last row deserves attention, because it is where the real trade lives. An inflation-adjusted payment can start roughly a quarter to a third lower than a level one. People look at the two numbers, choose the bigger one, and quietly accept that its purchasing power will halve over a long retirement.

Here is how to evaluate an income annuity in one calculation, without any help from the person selling it.

Divide the annual payment by the premium. That is the payout rate.

Then ask the only question that matters: do I expect to live past the break-even year?

The Social Security Administration publishes actuarial life tables showing remaining life expectancy at every age. It is free, it is neutral, and it takes thirty seconds to look up. If the break-even is well inside your expected remaining years, the contract is doing real work. If it is well beyond, you are buying insurance against something unlikely at a price that assumes it is likely.

One important framing: a payout rate is not a return. A 7% payout rate does not mean the company is earning you 7%. Most of that payment is your own money coming back. The insurance value is in what happens after your money runs out.

Before buying one, take inventory. You may already have more guaranteed lifetime income than you realize.

This matters enormously, because it changes the question from "should I buy guaranteed income" to "do I have enough guaranteed income."

And there is a cheaper way to buy more of it. Delaying Social Security is functionally an annuity purchase, and it is usually a better one than anything an insurer can sell you: the increase is inflation adjusted, backed by the federal government, and carries no fees or commissions. The SSA explains the mechanics of delayed retirement credits.

For most people, the correct order is: fill the income gap by delaying Social Security first, then consider an annuity for whatever gap remains.

This is the product most aggressively marketed to retirees, usually with a sentence like "you get market upside with no downside."

The floor is real. In a bad year you generally do not lose principal to market losses. That is a genuine feature.

The upside is where the engineering lives, and it lives in three words.

Now the part almost nobody explains: index crediting usually excludes dividends. A large share of long-run stock market return historically comes from dividends. Tracking a price index without them is not tracking the market, even before caps.

And the second part: caps and participation rates are usually adjustable by the insurer after the first year, within contract limits. The attractive number that sold you the policy is frequently not a permanent feature of it.

That last row is the biggest source of misunderstanding in the entire annuity world, so it gets its own section.

Many indexed and variable annuities with income riders maintain two different numbers, and only one of them is money.

So when a statement shows an impressive guaranteed growth rate, ask one question: can I take that amount out in cash tomorrow? If the answer is no, that number is not an account balance. It is a formula input.

Most deferred annuities come with a surrender period during which withdrawing more than a small annual allowance triggers a charge.

The practical test is simple and unforgiving: if you might need this money as a lump sum during the surrender period, this is the wrong product. Not a bad product. The wrong one, for that money.

Which is why annuities should generally be funded with money you have already decided is for income, not with your emergency reserve or the fund you are holding for a possible move or a roof.

Where the annuity sits changes everything about how it is taxed.

Two points that surprise people.

Buying an annuity inside an IRA adds no tax benefit. The IRA is already tax deferred. You are paying for a tax feature you already have. That is not automatically wrong, because you may be buying the income guarantee rather than the deferral, but it should be a conscious choice.

Annuity gains do not get a step-up at death. Unlike a taxable brokerage account, heirs inherit the embedded gain and the tax with it. The IRS covers annuity taxation in Publication 575.

There is one genuinely useful qualified structure: a QLAC, a deferred income annuity bought inside an IRA that can begin payments at an advanced age and, within limits, is excluded from the balance used to calculate required distributions. That is a targeted tool for a specific problem, not a general recommendation.

An annuity is only as good as the company behind it, because there is no federal insurance here.

Practical consequence: if you are placing a large amount, splitting it across two highly rated insurers is a reasonable way to stay within guaranty limits. Your state insurance department is the right authority on those limits.

An annuity is one answer to "how do I make sure money arrives every month." It is not the only one, and comparing honestly is the fastest way to know whether you need it.

The third and fourth rows get ignored because nobody earns a commission on them. A ladder of Treasury securities produces predictable cash on a schedule you design, and I Bonds carry an inflation component directly. Neither guarantees income for life, which is exactly the gap an annuity fills.

So the clean way to think about it: use bonds and cash for the next decade of spending, and consider an annuity only for the decades you cannot forecast.

Guaranteed income is not free of consequences. It is income, and income touches three other systems.

The first row matters more than people expect. The SSA explains how other income affects taxation of benefits, and adding a fixed lifetime payment permanently raises the floor of your reported income. That is usually acceptable, but it should be modeled rather than discovered.

The third row is a genuine advantage. Once IRA money is annuitized, the payments themselves generally handle the distribution requirement for that portion, which simplifies the arithmetic described on the IRS's required minimum distribution page.

If the real fear is being 92 with a depleted portfolio, the most efficient answer is not a large annuity today. It is a small one that starts later.

This is the insurance principle applied properly. You do not insure your car against needing gas. You insure it against the rare catastrophic event. Longevity insurance that starts at 80 or 85 costs a fraction of one starting at 65, because the company only pays if you get there.

It also leaves your portfolio intact during the years you are most likely to travel, help family and actually spend money, which is the part of retirement people regret underspending. That pattern shows up repeatedly in what retirees say afterward, and we covered it in why retirees are afraid to spend.

Ask these in writing, before anything is signed.

Question nine is the one that changes conversations. Commissions on simple income annuities are typically modest. On complex indexed and variable products they can be several times higher, which explains a great deal about which products get recommended.

Question eleven is the filter. Many states provide a free-look period after issue during which you can cancel, but reading first is better than unwinding later.

That last row again, because it is the most valuable sentence here: delay Social Security before buying an annuity. It is the same purchase, inflation adjusted, with no commission.

And a framing that helps: think in terms of covering your floor. Add up essential spending. Subtract guaranteed income. If there is a gap, that gap is the only part of your portfolio an annuity has any business touching. How to build that floor from your own accounts is covered in the retirement paycheck system, and the sequencing question is in the withdrawal order guide.

Annuities are neither miracle nor scam. They are insurance against outliving your money, and like all insurance they are worth buying when the risk is real and the price is fair.

The compressed version:

See you next issue. 🪙

This is general education, not financial, tax, legal or insurance advice, and it is not a recommendation to buy or avoid any product. Annuity features, payout rates, caps, participation rates, surrender schedules, fees, rider terms, guaranty association limits and tax treatment vary enormously by contract, insurer and state, and change over time. All figures here are illustrative examples, not quotes. Read the full contract and consult a licensed insurance professional and a tax professional who is not compensated by the sale before purchasing.

Sources: Consumer Financial Protection Bureau consumer guidance on annuities; Social Security Administration actuarial life tables and delayed retirement credit rules; IRS Publication 575 on pension and annuity income; IRS guidance on individual retirement arrangements and required minimum distributions; state insurance department and guaranty association materials.