When most people hear the word "annuity," they picture a single product. In reality, the annuity category spans dozens of different contract types, and the first meaningful distinction to understand is the one between deferred and immediate annuities. These two structures serve fundamentally different purposes, and choosing the wrong one for your situation can mean either leaving money on the table or locking yourself into an arrangement that does not match your actual needs.
The good news is that the core difference is straightforward. The complexity comes in understanding which one belongs in your retirement plan, and when.
The Core Distinction: Timing
The difference between a deferred and an immediate annuity comes down to a single question: when do you want income to start?
An immediate annuity (technically called a Single Premium Immediate Annuity, or SPIA) converts a lump sum of money into an income stream that begins almost immediately, typically within 30 days to one year of purchase.1 You hand the insurance company a check, and they begin sending you monthly payments, often for the rest of your life.
A deferred annuity separates the purchase from the income. You pay a premium (or a series of premiums) now, the money grows inside the contract, and income begins at some point in the future, which could be years or decades later.2 The period before income begins is called the accumulation phase.
That is the fundamental structure. Everything else, the specific type of deferred annuity, the crediting method, the payout options, flows from this basic timing distinction.
Immediate Annuities: Trading a Lump Sum for Guaranteed Income
An immediate annuity is the simplest form of annuity from a conceptual standpoint. You give the insurance company a lump sum, and they calculate a monthly payment based on your age, gender, the current interest rate environment, and the payout option you select.
The payout rate (the annual income divided by the premium) reflects both the interest the insurer expects to earn on your money and the return of your principal over your expected lifetime. It is not the same as an interest rate.3 A 65-year-old male purchasing a $100,000 immediate annuity with lifetime income can expect approximately $625 per month based on April 2026 rates, which translates to a payout rate of roughly 7.5% annually.4 A woman of the same age would receive approximately $590 per month, reflecting her longer statistical life expectancy.4
For a $500,000 premium, a 65-year-old woman could receive approximately $3,151 per month from a lifetime single-life immediate annuity.5
The most common payout options for immediate annuities are as follows. The "life only" option provides the highest monthly payment, but payments stop at death. The "life with period certain" option continues payments for your lifetime, but if you die before a specified period (commonly 10 or 20 years), payments continue to your beneficiary for the remainder of that period. The "joint and survivor" option continues payments as long as either you or your spouse is alive. The "period certain only" option provides payments for a fixed number of years regardless of whether you are alive.
The trade-off with an immediate annuity is liquidity. Once you hand over the premium, it is generally gone. Most SPIAs do not allow you to access the remaining principal if your circumstances change. This is why immediate annuities are typically appropriate for money you are confident you will not need in a lump sum, and why most financial planners recommend against annuitizing your entire retirement savings.
Deferred Annuities: Accumulation First, Income Later
A deferred annuity is designed for people who want to grow money tax-deferred now and convert it to income at some future point. The accumulation phase can last anywhere from a few years to several decades.
Deferred annuities come in several varieties, each with a different approach to how the money grows during the accumulation phase.
Fixed deferred annuities (also called MYGAs, or Multi-Year Guaranteed Annuities) credit a fixed interest rate for a specified term, similar to a CD but with tax deferral. As of April 2026, the best MYGA rates from A-rated carriers range from roughly 5.00% to 5.60% depending on the term.6
Fixed indexed annuities credit interest based on the performance of a market index (like the S&P 500), subject to a cap rate or participation rate, with principal protection from market losses.
Variable deferred annuities invest in subaccounts that rise and fall with the market. Principal is not protected.
Deferred income annuities (DIAs) are a hybrid: you purchase them now, but income does not start until a specified future date, sometimes 10 or 20 years out.
At the end of the accumulation phase, you have several options. You can take a lump sum withdrawal (subject to taxes and potentially surrender charges). You can take systematic withdrawals. Or you can "annuitize" the contract, converting the accumulated value into a guaranteed income stream.
How Interest Rates Affect Each Type
Interest rates affect immediate and deferred annuities differently, and understanding this helps with timing decisions.
For immediate annuities, higher interest rates mean higher monthly payments. The insurance company invests your premium in bonds, and when bond yields are higher, they can afford to pay more. The sharp rise in interest rates in 2022 and 2023 significantly improved immediate annuity payouts compared to the low-rate environment of 2020 and 2021. As of 2026, payout rates remain historically attractive compared to the prior decade.4
For deferred annuities, higher interest rates mean higher credited rates (for fixed products) and larger option budgets (for indexed products, which translates to higher cap rates). The same rate environment that improved immediate annuity payouts also improved deferred annuity accumulation rates.
The practical implication: if you are considering either type of annuity, the current rate environment is more favorable than it was for most of the 2010s.
Which One Is Right for You?
The choice between a deferred and an immediate annuity is primarily a question of where you are in your retirement timeline.
If you are already retired or within a year or two of retirement and you need income now, an immediate annuity is worth considering for a portion of your assets. It provides the highest guaranteed income per dollar of premium and eliminates the complexity of managing an accumulation phase.
If you are several years from retirement and your primary goal is growing money tax-efficiently while protecting it from market losses, a deferred annuity (particularly a fixed or fixed indexed annuity) may be more appropriate. The accumulation phase allows the contract to grow before you need income.
If you are still working and want to guarantee a specific income level starting at a future date (say, age 70 or 75), a deferred income annuity can lock in that future income at today's rates, which can be a powerful planning tool if you are concerned about longevity.
The most important principle is that neither type should be purchased in isolation from the rest of your retirement plan. An immediate annuity that consumes too much of your liquid assets leaves you vulnerable to unexpected expenses. A deferred annuity with a long surrender period in a portfolio that needs liquidity creates unnecessary constraints.
The question is not just "which annuity is better?" It is "what role does guaranteed income play in my overall retirement income plan, and which structure serves that role most efficiently?"
References
Smart Annuity Review provides independent, educational content on annuities and retirement income. If you'd like an honest, experienced review of your annuity options and retirement income strategy, book a complimentary SMART Annuity Review here.
Footnotes
-
Insurance Information Institute. "What are deferred and immediate annuities?" https://www.iii.org/article/what-are-deferred-and-immediate-annuities ↩
-
Insurance Information Institute. "What are deferred and immediate annuities?" https://www.iii.org/article/what-are-deferred-and-immediate-annuities ↩
-
ImmediateAnnuities.com. "Annuity Payout Rate: What It Is, How to Calculate It, and Why It Matters." Updated October 22, 2025. https://www.immediateannuities.com/annuity-rates/annuity-payout-rate.html ↩
-
Annuity.org. "How Much Does a $100,000 Annuity Pay Per Month?" Updated April 2026. https://www.annuity.org/annuities/how-much-does-a-100000-annuity-pay-per-month/ ↩ ↩2 ↩3
-
Annuity.org. "How Much Does a $500,000 Annuity Pay Per Month?" https://www.annuity.org/annuities/how-much-does-a-500000-annuity-pay/ ↩
-
Annuity.org. "Best Fixed Annuity Rates for April 17, 2026." https://www.annuity.org/annuities/rates/ ↩