FIA vs MYGA: The Complete Comparison for Retirees
Aaron Sims
Licensed Insurance Professional · Updated March 2026
Fixed indexed annuities and MYGAs both protect principal and grow tax-deferred, but they serve different purposes in a retirement plan. This comparison covers growth, income, risk, and timing.
Two Products, Two Purposes
Fixed indexed annuities (FIAs) and multi-year guaranteed annuities (MYGAs) share a common foundation: both are insurance products, both protect principal from market losses, and both grow tax-deferred. But they are designed for different needs within a retirement plan, and understanding those differences prevents the mistake of treating them as interchangeable.
A MYGA is a predictability tool. You lock in a rate, you know exactly what you will earn, and you plan around it. An FIA is a growth and income tool. It offers the potential for more in strong market years, floor protection in bad years, and the option to convert to guaranteed lifetime income through an income rider.
How Each Product Grows
MYGA: The carrier declares a fixed interest rate at purchase — for example, 4.75% for 5 years. Every year, that rate is credited to your accumulation value. At the end of 5 years, you know exactly what your contract is worth. There are no variables, no caps, no index scenarios to model. Just math.
FIA: The carrier links your interest credits to an index, subject to a cap, participation rate, or spread. In a year when the S&P 500 gains 18%, you might receive 8% (if your cap is 8%). In a year when it falls 20%, you receive 0%. Your annual return varies, and your long-term total depends on market performance over the contract term.
The practical result: MYGAs deliver certainty. FIAs deliver higher potential with a floor under it. Over a 10-year period, FIAs have historically outperformed comparable-term MYGAs in most market environments — but not in all.
Income Planning: A Critical Difference
One of the most significant differences between FIAs and MYGAs is income capability. Most FIAs are built with income in mind. They offer optional income riders that guarantee lifetime withdrawals based on a separate income base, without requiring annuitization. This makes FIAs a primary tool for creating a personal pension in retirement.
MYGAs do not typically include income riders. When a MYGA term ends, you receive a lump sum or roll the funds over. Converting a MYGA to lifetime income typically requires purchasing a separate product — an immediate annuity or an FIA with an income rider.
If your goal includes guaranteed lifetime income as a component of your retirement plan, an FIA with an income rider is usually the more appropriate tool. If you simply want to grow money safely for a defined period, a MYGA is simpler and more predictable.
Liquidity and Access
Both products impose surrender charges during the surrender period and typically allow penalty-free withdrawals of up to 10% of the accumulation value per year.
Surrender period lengths:
- MYGAs: Usually aligned with the term — a 5-year MYGA has a 5-year surrender period
- FIAs: Typically 7 to 10 years, though shorter options exist
After the term:
- MYGA: Funds are fully accessible without penalty during the renewal window
- FIA: After the surrender period ends, full access is available
For savers who want medium-term access (3 to 5 years), a MYGA is often a better fit. For longer-term accumulation with income potential, an FIA is worth the extended commitment.
Tax Treatment
Both products grow tax-deferred. No income tax is owed on credited interest until you withdraw. This is a shared advantage over taxable savings products like CDs.
For qualified funds (IRA, 401k rollovers), the tax deferral argument is redundant since the account is already tax-deferred. Both products can still serve legitimate purposes in qualified accounts based on their growth and income features.
For non-qualified (after-tax) funds, the tax deferral advantage is a genuine benefit for both — particularly over multi-year periods.
Complexity and Ease of Understanding
MYGA: Among the easiest financial products to understand. Fixed rate, set term, straightforward compounding. There is little to explain beyond the rate and the rules around access.
FIA: More complex. Understanding cap rates, participation rates, crediting strategies, income rider mechanics, and surrender schedules requires more attention. For buyers who value simplicity, this complexity can be a drawback even if the FIA offers more potential.
Choosing Between Them
| Situation | Better Fit |
|---|---|
| You want a known return and predictability | MYGA |
| You want growth potential with a safety floor | FIA |
| You need guaranteed lifetime income | FIA with income rider |
| You are bridging to a future income decision | MYGA |
| You have a 3- to 5-year time horizon | MYGA |
| You have a 7- to 15-year time horizon | FIA |
| You prefer simplicity | MYGA |
Many retirees hold both. A MYGA handles near-to-medium-term reserves where predictability matters. An FIA handles longer-term accumulation and income generation. Together they provide a range of protection from near-term through lifetime.
Frequently Asked Questions
Q: Which is safer, an FIA or a MYGA? A: Both protect principal from market losses and grow tax-deferred. Safety ultimately depends on the issuing carrier's financial strength. Evaluating carrier ratings is important for both.
Q: Can I have both a MYGA and an FIA? A: Yes. Many savers hold both as complementary tools — a MYGA for predictable medium-term growth and an FIA for longer-term accumulation and income planning.
Q: Which typically offers higher total returns over 10 years? A: FIAs have historically credited more total interest over 10-year periods in most market environments, because indexed credits in strong years exceed the fixed MYGA rate. However, this is not guaranteed — in periods of flat or negative market performance, a MYGA's predictable rate would outperform.