What Is a Fixed Annuity? Guaranteed Income and Growth, Explained

A fixed annuity is a contract between you and an insurance company that converts a sum of money into guaranteed growth or a guaranteed income stream — with your principal protected from market losses. It's one of the few financial products that can promise you'll never lose what you put in due to market downturns, while still allowing your money to grow.

That combination — protection plus growth — is why fixed annuities have become one of the most commonly discussed tools in retirement income planning. But the word "annuity" covers a range of products that work quite differently from one another, and the details matter enormously.

What Is an Annuity?

At its most basic, an annuity is a contract: you give an insurance company money, and the company makes a promise in return. The nature of that promise depends on the type of annuity.

All annuities share a few characteristics:

• Tax-deferred growth: Earnings inside an annuity are not taxed each year — only when you take distributions.
• An accumulation phase during which your money grows.
• A distribution phase during which you take income or make withdrawals.
• Insurance company backing: The insurer's financial strength guarantees your contract.

Annuities are not federally insured the way bank CDs are by the FDIC. Instead, they are backed by the insurer's general account and, in most states, protected by state guaranty associations up to certain limits.

The Two Types of Fixed Annuities

"Fixed annuity" is often used as a general term, but it can refer to two distinct products that work quite differently.

1. Traditional Fixed Annuity (MYGA)

A traditional fixed annuity — also called a Multi-Year Guaranteed Annuity (MYGA) — credits a guaranteed interest rate for a specific term, typically 3, 5, or 7 years. Think of it as an annuity equivalent of a CD.

For example, if you deposit $100,000 into a 5-year MYGA with a 4.50% guaranteed rate, you will earn exactly that rate each year for the 5-year term. Your principal is protected. At the end of the term, you can withdraw, renew, or roll into a new annuity or income stream.

MYGAs are straightforward and predictable. They appeal to people coming out of CDs who want better rates and tax-deferred growth, without taking on market risk. Rates vary by insurer and term — comparing carriers matters.

2. Fixed Indexed Annuity (FIA)

A fixed indexed annuity (FIA) is more complex. Your interest credits are linked to the performance of a market index — typically the S&P 500, though many products offer multiple index options.

The defining feature of an FIA is the floor: if the index you've chosen goes down in a given contract year, your credit for that year is zero — not negative. You do not participate in market losses. Your principal and previously credited interest are protected.

In exchange for that downside protection, your upside is limited. Most FIAs use one of two mechanisms:

• Cap rate: Your credited interest is capped at a maximum percentage. If the S&P 500 returns 18% in a contract year and your cap is 10%, you receive 10%.
• Participation rate: You receive a percentage of the index's gain. A 50% participation rate on a 12% index gain credits you 6%.

An important clarification: you do not own any stocks or index funds. An FIA is an insurance contract. The insurer uses the index performance as a formula to calculate your interest credits — your money is in the insurer's general account.

Tax-Deferred Growth: Why It Matters

One of the core benefits of an annuity is tax deferral. Inside an annuity, your earnings are not taxed each year — they compound without an annual tax drag.

Compare two $100,000 deposits: one in a taxable savings vehicle earning 4%, one in a tax-deferred annuity earning the same 4%. The taxable account owes tax on the $4,000 in interest each year; the annuity lets all $4,000 compound. Over 20 years, at a 24% tax bracket, the difference in after-tax value can be significant.

The tradeoff: when you do withdraw from an annuity, the earnings are taxed as ordinary income — not at the lower capital gains rate. And if you withdraw before age 59½, the IRS may impose a 10% early withdrawal penalty on the earnings portion.

Surrender Periods and Penalty-Free Access

Annuities are designed for long-term money. Most contracts include a surrender period — typically 5 to 10 years — during which the insurer charges a surrender fee if you withdraw more than your penalty-free amount.

Surrender charges usually start at 7–10% and decline by roughly 1% per year until they reach zero. Most annuities allow penalty-free withdrawals of up to 10% of the account value per year, even during the surrender period — so you're not completely locked in.

The practical implication: money you put into an annuity should be money you won't need for the full surrender period. Annuities are not appropriate for emergency funds or money you anticipate needing in the near term.

How the Distribution Phase Works

When you're ready to take money from your annuity, you have several options:

• Lump-sum withdrawal: Take all or part of your account value (subject to surrender period and tax rules).
• Systematic withdrawals: Take a set amount each month or year until the account is depleted.
• Annuitization: Convert your account value into a guaranteed income stream — for a set number of years, or for the rest of your life (and possibly your spouse's life). Once annuitized, this income cannot run out.
• Income rider: Many modern FIAs offer optional income riders (for an additional cost) that provide a guaranteed lifetime income without requiring full annuitization. You retain access to the account value while receiving guaranteed income payments.

The income rider option has made FIAs particularly popular in retirement planning, as they can combine principal protection, growth potential, and guaranteed lifetime income in a single contract.

Who Annuities Are — and Aren't — For

Fixed and fixed indexed annuities tend to be a good fit for people who:

• Are within 5–15 years of retirement or already retired
• Want to protect a portion of their savings from market downturns
• Are concerned about outliving their money and want guaranteed lifetime income
• Have maxed out other tax-deferred accounts (401k, IRA) and want additional tax-deferred growth
• Are rolling over a lump sum (pension, inheritance, CD proceeds) and want principal protection

Annuities are generally not a good fit for:

• Emergency fund money or short-term savings
• People who may need full liquidity within the surrender period
• Young investors with a long time horizon who can absorb market volatility
• Anyone for whom the fees or surrender period would outweigh the benefits for their specific situation

Common Annuity Misconceptions

"Annuities are all the same."

They're not. A fixed MYGA, a fixed indexed annuity with an income rider, and a variable annuity with market sub-accounts are fundamentally different products with different risk profiles, costs, and purposes. Understanding which type you're looking at is essential.

"If I die early, the insurance company keeps my money."

Most annuities include a death benefit — typically equal to the account value — that passes to your named beneficiaries. If you annuitize, options like a "period certain" guarantee that payments continue to your heirs for a minimum term even if you pass away. The specifics depend on your contract and the income options you select.

"Annuities have hidden fees."

Some do; some don't. A straightforward MYGA or basic FIA often has no explicit annual fees — the insurer builds its margin into the spread between what they earn on investments and what they credit to your contract. Income riders and other optional features do typically carry annual charges. Understanding exactly what you're paying — and what you're getting — before you sign is non-negotiable.

How to Compare Annuity Products

Because annuity products vary so much between carriers, comparing them requires looking at several factors together:

• Guaranteed rate or cap/participation rate at the time of purchase
• Surrender period length and penalty schedule
• Penalty-free withdrawal provisions (typically 10%/year)
• Income rider terms if you plan to use guaranteed lifetime income
• Death benefit provisions
• The insurer's financial strength rating (A.M. Best, Moody's, or Standard & Poor's)

Working with an independent agent who represents multiple carriers gives you an apples-to-apples comparison across products rather than a pitch for one company's annuity. It also means your advisor's recommendation isn't limited to one carrier's product lineup.