What an Annuity Is and How It Works

An annuity is a contract with an insurance company that turns a lump sum of money into regular payments over time

You give an insurance company a sum of money — either all at once or over several years — and in return, the company promises to pay you a set amount at regular intervals. Those intervals might be monthly, quarterly, or annually, and the payments might last for a fixed number of years or for the rest of your life. The insurance company handles the investment risk and longevity risk, meaning they bet on how long you'll live and how their investments will perform.

Annuities are sold by insurance companies, not banks or investment firms, though you may buy one through a financial advisor or broker. They're often used by people who want predictable income in retirement, or by people who receive a large settlement and want to convert it into steady payments instead of managing a lump sum themselves.

Key Takeaways

• An annuity converts a lump sum into regular payments by contract with an insurance company, shifting investment and longevity risk to the insurer.
• when ready annuities start paying you within a year; deferred annuities let your money grow before payments begin, sometimes decades later.
• Fixed annuities pay the same amount every period; variable annuities tie payments to investment performance and carry more risk.
• Annuities come with fees, surrender charges if you withdraw early, and limited liquidity, so understanding the contract terms matters before you commit.
• An annuity is not a savings account or investment — it's an insurance product designed to provide income you cannot outlive.

How the money flows: what you pay in and what you get back

The amount you receive each period depends on three things: how much you put in, how long the payments will last, and your age when payments start. An insurance company uses mortality tables and interest rate assumptions to calculate a payment amount that lets them stay solvent while paying you for as long as the contract specifies.

If you buy a $200,000 when ready annuity at age 65 that pays for life, you might receive $1,000 per month for the rest of your life — but that exact figure varies by the insurance company, current interest rates, and your health. If you buy a deferred annuity at 55 and agree to let it grow until 70, the insurance company invests your money during those 15 years, and your first payment at 70 will be larger than if you'd started when ready.

Once you start receiving payments, that money is yours to spend. The insurance company continues paying you on schedule regardless of whether the stock market rises or falls — that's the core promise of an annuity.

when ready annuities versus deferred annuities

An when ready annuity begins paying you within one year of purchase. You hand over a lump sum, and within months you start receiving regular income. This is the simplest structure and is often used by people who have just retired or received a settlement and want income to start right away.

A deferred annuity delays payments. You buy the contract now, your money grows (either at a fixed rate or tied to market performance), and payments don't begin until a date you choose — sometimes 10, 20, or 30 years in the future. During the growth phase, you typically cannot withdraw money without paying a surrender charge, which is a penalty for early withdrawal. Deferred annuities are sometimes used as a long-term savings tool, though they carry restrictions that regular savings accounts do not.

The longer you defer, the larger your eventual payments will be, because the insurance company's investment has more time to compound. But you also give up access to your money during the deferral period.

Fixed annuities and variable annuities

A fixed annuity pays you the same dollar amount every period for the life of the contract. The insurance company guarantees this payment, which means they absorb the investment risk. If interest rates fall, you still get your promised payment. If the stock market crashes, your payment doesn't change. This predictability appeals to people who want to know exactly what they'll receive each month.

A variable annuity ties your payments to the performance of investments you choose — usually mutual funds or similar options offered by the insurance company. If those investments perform well, your payments increase. If they perform poorly, your payments decrease. You bear the investment risk, not the insurance company. Variable annuities are more complex and typically carry higher fees than fixed annuities.

There is also a middle ground called an indexed annuity, which ties payments to the performance of a stock market index (like the S&P 500) but usually includes a floor — a minimum payment you'll receive even if the index falls. These are less common and often carry higher fees and surrender charges.

Fees, surrender charges, and what they cost you

Annuities are not free. Fixed annuities typically charge annual fees of 0.5% to 1.5% of your balance, though some charge flat annual fees instead. Variable annuities often charge 1% to 3% annually because the insurance company is managing investment options and bearing some risk. Indexed annuities can charge 2% to 4% or more.

Beyond annual fees, most annuities include a surrender period — a window of time (often 5 to 10 years) during which you cannot withdraw your money without paying a penalty. That penalty, called a surrender charge, typically starts at 5% to 10% of your withdrawal and decreases each year. If you need your money before the surrender period ends, you'll lose a significant portion to this charge.

Some annuities also charge a mortality and expense fee (for variable annuities) or administrative fees, which cover the insurance company's costs. Always ask for a full fee schedule before you buy, because fees reduce the amount you ultimately receive.

Who should consider an annuity and who should not

An annuity makes sense if you have a large sum of money, want may provide income you cannot outlive, and don't need access to that money in the near term. People who receive lawsuit settlements, inheritance windfalls, or lump-sum pension payouts sometimes use annuities to convert that money into steady monthly income.

An annuity is less suitable if you need liquidity — the ability to access your money quickly — or if you're uncomfortable locking money away for years. They're also not ideal if you have a short life expectancy, because you may not receive back what you paid in. And if you're young and have a long time horizon, a regular investment account may offer more flexibility and lower fees.

Annuities are insurance products, not investments in the traditional sense. They're designed to solve a specific problem: converting a lump sum into income you cannot outlive. If that's not your problem, an annuity may not be the right tool.

What happens to your money if you die

This depends on the contract. A life annuity pays you for as long as you live, but if you die, the payments stop — the insurance company keeps any remaining balance. This is the cheapest option but offers no inheritance.

A life annuity with a period certain guarantees payments for a minimum number of years (often 10 or 20). If you die before that period ends, your beneficiary receives the remaining payments. This costs more than a straight life annuity but protects against dying too soon.

A joint and survivor annuity continues paying a surviving spouse (or other beneficiary) after you die, usually at a reduced rate. This also costs more upfront but ensures income continues for two lifetimes.

Frequently Asked Questions

Can I get my money back if I change my mind?

Most states allow a "free look" period of 10 to 30 days after you buy an annuity, during which you can return it for a full refund. After that window closes, you're locked in. If you withdraw money during the surrender period, you'll pay a surrender charge that typically starts at 5% to 10% and decreases over time.

Is an annuity the same as a pension?

No. A pension is a benefit your employer provides based on your years of service; you don't buy it. An annuity is a contract you purchase from an insurance company. Some people use an annuity to convert a lump-sum pension payout into monthly income, but the annuity itself is not a pension.

What if the insurance company goes out of business?

Each state has a guaranty fund that protects annuity holders if an insurance company fails. The fund typically covers up to $250,000 per person per company, though the exact amount varies by state. This protection does not cover investment losses in variable annuities — only the insurance company's failure to pay.

Can I use an annuity to save for retirement?

You can, but it's not the most common use. A deferred annuity lets your money grow tax-deferred until you start taking payments, which can be decades away. However, annuities come with surrender charges and fees that make them less flexible than regular retirement accounts like IRAs or 401(k)s, so compare costs before deciding.

What's the difference between an annuity and a life insurance policy?

Life insurance pays your beneficiaries a lump sum when you die. An annuity pays you regular income while you're alive. They solve opposite problems: insurance protects against dying too soon; an annuity protects against living too long and running out of money.