Guaranteed Minimum Accumulation Benefit (GMAB)

A guaranteed minimum accumulation benefit (GMAB) is a type of living benefit that variable annuity owners seeking principal protection can add to a contract. The GMAB provides that, after a set period, the annuity’s value will at least equal the principal amount invested.

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  • Written By
    Jennifer Schell, CAS®

    Jennifer Schell, CAS®

    Financial Writer, Certified Annuity Specialist®

    Jennifer Schell is a professional writer focused on demystifying annuities and other financial topics including banking, financial advising and insurance. She is proud to be a member of the National Association for Fixed Annuities (NAFA) as well as the National Association of Insurance and Financial Advisors (NAIFA).

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  • Edited By
    Savannah Pittle
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    Savannah Pittle

    Senior Financial Editor

    Savannah Pittle is an accomplished writer, editor and content marketer. She joined as a financial editor in 2021 and uses her passion for educating readers on complex topics to guide visitors toward the path of financial literacy.

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  • Reviewed By
    Stephen Kates, CFP®

    Stephen Kates, CFP®

    Principal Financial Analyst for

    Stephen Kates, CFP® is a personal finance expert specializing in financial planning and education. He serves as the Principal Financial Analyst for, where he delves into industry trends to support consumers and financial advisors on wealth management, annuities, retirement planning, and investing.

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  • Updated: May 14, 2024
  • 4 min read time
  • This page features 4 Cited Research Articles

Key Takeaways

  • A guaranteed minimum accumulation benefit is one type of living benefit added to variable annuity contracts.
  • GMAB riders offer principal protection, ensuring that variable annuity investors will at least receive a return of principal if their investments perform poorly.
  • Some GMABs have a step-up provision that can periodically increase the annuity’s guaranteed value.
  • A GMAB might be most beneficial for a couple with differing risk tolerances or someone who wants market exposure along with principal protection.

What Is a GMAB Rider?

A guaranteed minimum accumulation benefit (GMAB) is an optional rider that variable annuity owners can add to their contracts. The benefit guarantees that the annuity’s value will at least equal the value of the owner’s purchase payments, less any withdrawals, at the end of a waiting period.

GMAB riders give peace of mind to variable annuity owners by offering principal protection, a feature common to other types of annuities. Because variable annuities invest your premium dollars in a portfolio of securities, there is typically some risk that your contract’s value will drop if the market performs poorly.

A GMAB rider removes this risk, promising that no matter how your investments perform, you won’t lose money. For many variable annuity owners, this means they can invest their premium dollars more aggressively, knowing that at worst, they’ll come out even.

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Variable annuities, in addition to the nearly unlimited contributions, can offer options for investor protections that other retirement accounts cannot match. The ten years leading up to retirement can be nerve-wracking and precarious for soon-to-be retired individuals. There is little room for error in the event of a market downturn, which is why guaranteed benefit riders can be a substantial confidence booster for investors. As with any piece of an income strategy, work with an advisor to create an income roadmap so that the annuity will only be used after all surrender and holding periods have expired.

How Does a GMAB Rider Work?

Most annuity providers stipulate that customers can only add a GMAB rider when they first purchase a variable annuity. The average cost for a GMAB rider ranges between 0.30% and 1.00%. 

The GMAB rider cannot be used until the end of a holding period, typically 10 years. When the waiting period elapses, the annuity owner may have the option to renew the GMAB for another waiting period. Otherwise, the benefit expires and the variable annuity’s value is subject to market risk.

Unlike many other living benefits, GMABs do not require annuitization. After the required holding period, you can choose to take a lump-sum payout instead of converting your annuity into an income stream.

When choosing subaccounts for a variable annuity with a GMAB rider, keep in mind your risk level and time horizon. Also, be aware that many providers limit the subaccounts investors can choose from if they opt to add a living benefit to their contract.

Since the benefit offers principal protection, you may choose to allocate your investments more aggressively than you might otherwise. The Institute of Business and Finance recommends stock subaccounts, given the long holding period required for annuities with this provision.

A variable annuity with a GMAB rider can provide aggressive growth while protecting your savings from the downsides of market volatility.

Read More: How To Choose a Living Benefit Rider

Step-Up Provision

Some annuity providers offer a GMAB rider with a step-up provision. Your provider will compare the cash value of your annuity to the original purchase payments, and if the current cash value is higher, that value is locked in as the new baseline for the GMAB.

Once the value of the contract is stepped up, the waiting period for the new value resets. So if you have a GMAB rider with a 4-year step-up provision and a 5-year holding period, the stepped-up value would be available any time after the ninth year.

Pro Tip

Step-up frequency varies by insurer and contract. Step-ups are typically locked in on the contract’s anniversary date, either annually or every three to seven years.

Lock In Fixed Annuity Rates as High as 6.9%

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Who Should Get a GMAB Rider?

Investors concerned about market volatility might benefit most from GMAB riders. The market participation of variable annuities makes them inherently more risky than fixed annuities; however, they may have higher growth potential than a fixed-income product.

A GMAB rider can suit an investor who wants the best of both worlds. With this provision, you can take advantage of the market’s upside potential while preserving your principal in the event of a downturn.

The GMAB rider strikes a balance between the conservative investor’s need for principal protection and the aggressive investor’s desire to participate in the fluctuating market. As such, a married couple might choose a variable annuity with a GMAB rider if the spouses have differing levels of risk tolerance.

The long holding period required means that a variable annuity with a GMAB rider is most suitable for an investor who still has a decade or more before they retire. With this in mind, those who need income sooner might be better suited to a different type of annuity, such as a SPIA.

Please seek the advice of a qualified professional before making financial decisions.
Last Modified: May 14, 2024
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