Retirement & Annuities

Annuities Explained: Fixed vs Indexed vs Variable Annuity

By Joseph McDermott, Life Insurance Strategist  ·  June 5, 2026  ·  9 min read

Annuities get sold a lot, and explained well almost never. People walk out of meetings having signed something they couldn't repeat back to you a week later. That's a problem, because the difference between a fixed vs indexed vs variable annuity is the difference between guaranteed, protected, and exposed. Three very different deals.

So here are annuities explained the plain way. What each one is, what it really costs, where the catch lives, and who each one actually fits. No hype, no fear-selling.

First, what an annuity even is

An annuity is a contract with an insurance company. You hand them money, either a lump sum or payments over time, and in return they grow it and/or pay it back to you as income, often income you can't outlive. That last part is the whole point for a lot of retirees. It's a way to turn a pile of savings into a paycheck.

There are two timing choices before we even get to the types:

• Immediate annuity. You give a lump sum and income starts almost right away, usually within a year. Good for someone already retired who wants a paycheck now.
• Deferred annuity. Your money grows tax deferred for years first, then you turn on income later. Most fixed, indexed, and variable annuities you'll see are deferred.

Now the three types, which describe how your money grows while it's in there.

Fixed annuities: the simple one

A fixed annuity pays a set interest rate that the insurance company guarantees for a stated period. Think of it like a CD from a bank, but issued by an insurer and usually tax deferred. The market can crash and your rate doesn't move. You know exactly what you'll have.

The trade is obvious. Safety costs upside. If the market rips 20% in a year, you still get your fixed rate and nothing more. For people who just want their money to sit still and grow steadily without drama, that's a fair deal.

Fixed annuities also carry the lowest fees of the three. Often there's no explicit annual fee at all because the carrier just keeps the spread between what they earn and what they pay you.

Indexed annuities: the in-between one

A fixed indexed annuity (you'll see it called an FIA) ties your interest to a market index like the S&P 500. When the index goes up, you get credited based on a formula. When the index goes down, you get credited zero for that period and you don't lose principal to the market. That floor is the selling point.

But the upside isn't free, and this is where people get fooled. The carrier limits how much of the index gain you keep, through a few levers:

• Cap. A ceiling on what you can earn in a period. If your cap is 10% and the index returns 18%, you get 10%.
• Participation rate. The share of the gain you keep. At an 80% participation rate, a 10% index gain credits you 8%.
• Spread. A percentage the carrier subtracts off the top before crediting you.

Here's the part nobody mentions at the kitchen table: the carrier can usually reset those caps and rates each year based on rates, bond yields, and hedging costs. So the generous cap you bought can shrink later. Indexed annuities are not the same as owning the index, and they're not the same as the market's full return. They're a protected, capped slice of it.

Variable annuities: the market-exposed one

A variable annuity puts your money into investment subaccounts that work like mutual funds. Your value rises and falls with those investments. More upside potential than fixed or indexed, and real downside risk too. You can lose principal here.

Variable annuities also tend to carry the highest fees of the three. You're often looking at mortality and expense charges, administrative fees, subaccount management fees, and the cost of any optional riders. Stacked together, those can run a couple percent a year or more, which is a real drag on returns over time.

Because they involve securities, variable annuities are sold with a prospectus and require a securities license, not just an insurance license. That alone tells you they're a different animal.

Fixed vs indexed vs variable annuity, side by side

Here's the comparison most people actually want, in one place.

One thing that applies to all three: the surrender period. Most annuities lock your money for a stretch, often three to ten years. You can usually take out up to 10% a year without penalty, but pull more during the surrender window and you'll pay a charge. That charge typically shrinks each year until it hits zero. If you might need the lump sum soon, an annuity is the wrong tool.

How to choose

Skip the product names for a second and answer these honestly:

• When do you need the money? If it's within a few years, the surrender period alone may rule annuities out.
• Can you handle a down year? If a 20% drop would wreck your sleep or your plan, variable is probably not your lane.
• What's the job? Steady safe growth points to fixed. Protected growth with some market upside points to indexed. Maximum growth with real risk and you've got a long runway points to variable.
• How does it fit the rest of your plan? An annuity is one tool. For some families, a properly structured cash-value life insurance strategy or simply more term coverage plus index investing does the job better. The product should serve the plan, not the other way around.

Common mistakes people make

• Buying for the bonus. Some annuities dangle a premium bonus up front. That money usually comes with longer surrender periods and lower caps. Bonuses are rarely free.
• Believing "market gains, no risk." Indexed annuities protect principal, but the cap, participation rate, and renewal resets all limit your return. It's protection, not a free lunch.
• Locking up money you'll need. Putting your emergency fund or near-term cash into a 10-year surrender contract is a classic, painful error.
• Ignoring the fees on variable. Two-plus percent a year compounds against you. Over a long retirement that's a lot of money quietly leaving.
• Not checking the carrier. Every guarantee here rests on the insurance company's ability to pay. The strength of the issuer matters as much as the product.

Frequently asked

Annuities can be a genuinely useful tool, or an expensive mistake, depending on the product and the person. The only way to know which is to match the contract to your actual plan. If you want help doing that, book a review or read more in our retirement and insurance library.

Joseph McDermott is a licensed life insurance agent and founder of Sovereign Life Group, brokered through Family First Life. This article is general information, not financial, tax, or legal advice. Product availability, features, and rates vary by state and carrier. Annuity values and indexed returns are not guaranteed, and surrender charges may apply. All guarantees are subject to the claims-paying ability of the issuing insurance company.