What Is an Annuity? A Plain-English Guide

An annuity is a contract with an insurance company. You hand over money; the company promises to pay it back to you on agreed terms — either as a lump sum later, or as income for a set number of years, or for the rest of your life. That is the whole idea. Everything else is detail about which promise you bought.

The word covers products that behave very differently from one another, which is why the same question gets contradictory answers. A fixed annuity and a variable annuity are both called annuities and have almost nothing in common. This page separates them.

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The one thing that makes an annuity different

A bank account, a CD and a mutual fund are all assets you own. An annuity is a promise you are owed. That difference decides everything downstream — who guarantees it, what happens if the company fails, how it is taxed, and how hard it is to get your money back early.

It also explains the one thing an annuity can do that no investment can: pay you for as long as you live, however long that turns out to be. An insurance company can promise that because it is pooling thousands of people, some of whom will die early. No fund can replicate it.

The four kinds, and what each one actually does

1. Fixed annuity (including MYGAs)

The company credits a stated interest rate for a stated term. A multi-year guaranteed annuity, or MYGA, locks one rate for the whole term — the insurance industry's version of a CD. No market exposure. What you give up is easy access: getting out early costs a surrender charge.

2. Fixed indexed annuity

Interest is credited based on the movement of an index such as the S&P 500, but with a floor of zero and a cap or participation rate on the upside. You do not lose money when the index falls; you do not receive the full gain when it rises. These are the most oversold and least understood products in the category — the mechanics of the cap matter more than the headline.

3. Variable annuity

Your money goes into investment sub-accounts and the value moves with the market. It can lose value. These carry the highest fees of the four and are regulated as securities, not just insurance.

4. Income annuity (SPIA and deferred income)

You exchange a lump sum for a guaranteed stream of payments, either starting immediately or at a future date. This is the oldest and simplest form, and the only one whose entire purpose is income rather than accumulation. In exchange, you generally give up access to the principal permanently.

How annuities are taxed

Money inside an annuity grows tax-deferred — you owe nothing until you take it out. That is the main tax advantage, and it is worth most to people in a high bracket now who expect a lower one later.

When you withdraw, gains come out first and are taxed as ordinary income, not at capital-gains rates. Withdrawals of gain before age 59½ generally carry a 10% IRS penalty on top. Inside an IRA the deferral adds nothing, because the account is already tax-deferred — a point that is often skipped in a sales conversation.

What annuities cost

Fixed annuities and MYGAs usually carry no visible fee: the company's margin is built into the rate it credits. Fixed indexed annuities are the same, with the cost showing up as a cap on your upside. Variable annuities charge explicitly, and the total between mortality and expense charges, sub-account fees and riders commonly lands between 2% and 3% a year.

Every rider you add — guaranteed income, enhanced death benefit, long-term care — is paid for out of what you would otherwise have earned. There is no free rider.

The surrender schedule is the part to read

Nearly every deferred annuity restricts access for a number of years. A typical schedule starts around 8–9% in year one and steps down annually. Most contracts let you withdraw about 10% a year without charge; some allow interest only; a few allow nothing in year one.

Some contracts also apply a market value adjustment, which can increase or decrease what you receive on an early surrender depending on where interest rates have moved. It is separate from the surrender charge and it surprises people.

The single most common mistake is buying a term longer than the money's actual job. A seven-year contract holding money you need in four is a worse outcome than a shorter product at a lower rate.

Who an annuity tends to suit — and who it doesn't

It tends to fit someone who has money earmarked for several years out, wants a floor under part of their retirement income, has already covered near-term cash needs elsewhere, and values certainty over the last few points of return.

It tends not to fit someone who may need the money soon, is under 59½, wants maximum growth and can tolerate volatility, or does not yet have an emergency fund outside the contract.

Neither list is a recommendation. They are the questions worth answering before anyone shows you a rate.

Is the money safe?

Fixed annuities are backed by the issuing insurance company and, secondarily, by your state guaranty association, which covers a set amount per person per company — commonly $250,000, though it varies by state. That is not FDIC insurance, and the differences matter. We wrote a separate guide on exactly this: are fixed annuities safe?

Questions to ask before you sign anything

• Which of the four types is this, in plain words?
• What is the surrender schedule, year by year, and is there a market value adjustment?
• How much can I withdraw each year without a charge?
• Is the rate guaranteed for the full term, or does it reset — and what is the guaranteed minimum?
• What is the carrier's rating, and how much of my deposit is inside my state's guaranty limit?
• What am I paying for each rider, and what does it cost me in credited interest?
• What does the person explaining this earn if I buy it?

An annuity is neither a scam nor a solution. It is a contract, and contracts are judged on their terms. If someone cannot answer those seven questions plainly, that is the answer.

The Retirement Literacy Foundation is a 501(c)(3) non-profit. This guide is general financial education, not individualized investment, tax, or insurance advice. Figures are illustrative and change with interest rates and your personal situation. Consider speaking with a licensed professional before making decisions.

Hans Goldstein

Founder & Executive Director · Retirement Literacy Foundation, a 501(c)(3) non-profit

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