Option A vs Option B: How the Death Benefit Choice Affects IUL Performance

This article explains how the two death benefit options work, why Option B is the conventional recommendation for accumulation-focused designs, why an alternative structure deserves more consideration than it typically receives, and what a prospective buyer should understand before signing.
Quick Article Guide
Here’s what we'll cover in this post:
- What Option A and Option B Actually Do
- How Cost of Insurance Differs Between the Two Options
- Why Option B is Conventional for Accumulation-Focused Designs
- The Alternative: A Higher Initial Face Amount Under Option A
- What Happens During Distribution
- The Option B to Option A switch
- When each option is the right choice
- What to Verify Before Signing
- The Summary
What Option A and Option B Actually Do
Every permanent life insurance policy has a death benefit and an account value. The death benefit is what the policy pays to beneficiaries when the insured dies. The account value is the cash inside the policy that accumulates over time from premiums and credited interest. The relationship between these two numbers is governed by the death benefit option.
Option A is a level death benefit. The gross death benefit stays at the face amount specified at issue. As the account value grows, the net amount at risk — the difference between the death benefit and the account value — shrinks. If a policy has a $1,000,000 face amount and $300,000 in account value, the net amount at risk is $700,000.
Option B is an increasing death benefit. The death benefit equals the face amount plus the account value. As the account value grows, the death benefit grows with it. If a policy has a $1,000,000 face amount and $300,000 in account value under Option B, the death benefit is $1,300,000. The net amount at risk remains at $1,000,000.
The difference looks small from the outside. Inside the policy, it drives most of the cost-of-insurance mechanics.
How Cost of Insurance Differs Between the Two Options
Inside a Universal Life policy, the cost of insurance — the charge that compensates the carrier for the mortality risk it's taking — is calculated each year based on the net amount at risk. The carrier looks at how much it would have to pay above and beyond returning the account value, multiplies that by the age-based cost-of-insurance rate, and charges that amount against the policy.
Under Option A during accumulation, the net amount at risk shrinks as the account value grows. The cost of insurance is calculated against a shrinking base. Even as cost-of-insurance rates rise with age, the base they're charged against is getting smaller. The COI charge grows more slowly than it would on a fixed base.
Under Option B during accumulation, the net amount at risk stays at the face amount throughout. The cost of insurance is calculated against a constant base. As age-based COI rates rise, those rising rates are applied to the full face amount every year. The COI charge grows faster.
The practical consequence: Option B costs more to maintain. For a given premium and credited rate, Option A accumulates account value more efficiently because less of each year's premium is consumed by cost-of-insurance charges. Option B trades some accumulation efficiency for a larger death benefit as the policy ages.
Why Option B is Conventional for Accumulation-Focused Designs
Despite costing more to maintain, Option B is the conventional recommendation for accumulation-focused IUL designs. The reason is the Modified Endowment Contract (MEC) limit.
Federal tax law limits how much premium can be paid into a permanent life insurance policy relative to its death benefit before the policy is reclassified as a Modified Endowment Contract — which loses most of the favorable tax treatment that makes permanent insurance attractive for accumulation. The MEC limit is, simplifying, a ratio between premium and death benefit.
Under Option A with a fixed face amount, the MEC limit caps the amount of premium that can be paid in. A policyholder who wants to maximize accumulation by paying premium near the MEC limit hits the cap relatively quickly.
Under Option B, the death benefit grows with account value. As account value rises, the death benefit rises with it, and the MEC limit — which is calculated against the death benefit — rises along with it. Option B effectively expands the room for premium payment over time. For a policyholder funding aggressively, Option B allows more total premium dollars into the policy before MEC limits are reached.
This is the conventional logic that produces the standard recommendation: fund the policy under Option B during the working years to maximize accumulation, then switch to Option A at retirement to begin distributions.
What this logic misses is that Option B is not the only way to accommodate aggressive funding under MEC limits. There is an alternative that deserves more consideration than it typically receives.
The Alternative: A Higher Initial Face Amount Under Option A
Option B solves the MEC problem by allowing the death benefit to grow with account value. The same MEC problem can be solved a different way: by starting with a higher face amount under Option A.
If a given premium funding level cannot fit under Option A with face amount F without triggering MEC, the same funding can typically fit under Option A with a higher face amount F'. The higher face amount expands MEC capacity from issue rather than expanding it over time. The Option A face amount required to accommodate equivalent funding to Option B is meaningfully higher than the Option B face amount at issue.
For a given premium budget, these two structures are alternative ways of building MEC capacity. They have meaningfully different consequences.
Family or estate benefit during the working years. Option A with a higher face amount delivers a substantially larger death benefit during the early policy years. If the insured dies at 55 or 60, beneficiaries receive the full higher face amount immediately. Under Option B at the lower face amount, beneficiaries receive the lower face plus whatever account value has accumulated — which in early policy years is modest. For a client with a family that would depend on the death benefit, or an estate that needs liquidity, this difference is real and meaningful.
Cost of insurance over the policy lifetime. Option A with a higher face amount has higher COI charges in the early years (because the higher face means a larger initial net amount at risk). But the COI charges decline as account value grows toward the face amount. Option B has lower COI early but constant-to-rising COI throughout, because net amount at risk stays at the original face. Across a thirty- or forty-year policy life, the cumulative COI under Option A with the higher face is often comparable to, or even lower than, the cumulative COI under Option B at the lower face.
Behavior in distribution. This is where the two structures diverge most significantly. The distribution-phase mechanics are addressed in the next section, but the short version: Option A's net amount at risk continues to shrink during distribution as the loan grows, dampening cost-of-insurance acceleration. Option B's net amount at risk is maintained at the original face amount throughout distribution, allowing rising mortality charges to hit the policy at full force.
The reason this alternative gets less attention than it deserves is structural. Producers default to Option B for accumulation-focused designs because it is the industry convention. The alternative — higher face under Option A — requires a different conversation about the trade-off between accumulation efficiency and the family/estate benefit of larger early-year death benefit. That conversation does not happen by default.
What Happens During Distribution
Distribution from an IUL policy typically occurs through policy loans against accumulated cash value. The loan reduces the cash surrender value available to the policyholder, and loan interest accrues against the borrowed amount.
Under both Option A and Option B in distribution, the cash surrender value declines as the loan grows. The net death benefit — what beneficiaries actually receive after the loan balance is netted out — also declines. But the relationship between these two numbers differs significantly between the options.
Under Option A in distribution, the account value continues to grow toward the gross face amount as the policyholder ages. The cash surrender value (account value minus loan balance) and the net death benefit (face amount minus loan balance) converge over time, both being driven downward by the same growing loan. Critically, the net amount at risk — the difference between the gross death benefit and the account value — shrinks as account value approaches face. The cost-of-insurance charges are therefore calculated against a shrinking base. Even as age-based mortality charges rise, the base they're applied to is getting smaller. The policy can absorb the rising charges more efficiently.
Under Option B in distribution, the cash surrender value and net death benefit do not converge. The gross death benefit equals face amount plus account value, so the net death benefit stays above the cash surrender value by approximately the original face amount throughout distribution. The net amount at risk is therefore maintained at the original face amount throughout the distribution period. Rising age-based cost-of-insurance rates are applied to this maintained base every year. The cost-of-insurance charges grow more aggressively than under Option A, and the policy depletes faster as a result.
The result is that Option B policies left in place during distribution tend to lapse earlier than Option A policies funded equivalently. The difference can be meaningful — often resulting in lapse before life expectancy in scenarios where Option A would still be in force.
The Option B to Option A switch
The conventional remedy for the Option B distribution problem is to switch from Option B to Option A at the start of distribution. The switch reduces the gross death benefit from face plus account value back to face level, which allows the net amount at risk to begin shrinking as the loan and credited interest interact with the smaller gross death benefit. The cost-of-insurance acceleration that would otherwise destroy the policy is dampened.
The switch is straightforward in concept. In practice, two issues complicate it.
First, the switch is not automatic at most carriers. It is a manual administrative request that the agent or policyholder must initiate in the year the change is intended. Some carriers issue reminders to agents or policyholders when account value triggers suggest a switch may be appropriate. Many do not. The standard pattern is that the agent who placed the policy is responsible for tracking when the switch should occur and initiating it — and if that agent is no longer with the agency, has retired, has moved to a different firm, or has simply not been tracking the client's policy, the switch may not happen at all.
Second, the switch can have tax consequences if not handled correctly. Reducing the death benefit can affect the policy's MEC status, particularly if the policy has been funded near the MEC limit. The mechanics of how the switch interacts with MEC testing depend on the specific carrier, the specific funding history, and the timing. A switch executed without careful attention to these mechanics can convert the policy into a MEC, which would change the tax treatment of subsequent loans and distributions.
The consequence: the conventional Option B accumulation / Option A distribution strategy depends on a manual administrative step that requires the right person to know the right time to act. When that step is missed, the policy follows a trajectory the original illustration did not show — and that the policyholder did not understand they were signing up for.
When each option is the right choice
Three scenarios where the right structure is clear:
Option A with a higher face amount: for clients who want aggressive accumulation funding and who also value a larger death benefit during the working years. Families with young children, business owners with succession or buy-sell needs, and clients with estate planning concerns where early-year death benefit matters all fit this profile. The higher early-year COI is real, but it is paid for a real benefit — a larger death benefit during the years when the insured's death would matter most to the people who depend on the policy.
Option B at lower initial face: for clients whose primary goal is maximum accumulation efficiency, who do not value larger early-year death benefit, and who have the discipline (or the right producer relationship) to manage the Option B to Option A switch at the start of distribution. This is the conventional accumulation design. It works structurally, but it requires careful management to deliver as illustrated.
Option A at standard face: for clients whose funding is meaningfully below MEC limits and who do not need the MEC capacity expansion that Option B (or a higher Option A face) provides. The simpler structure delivers predictable behavior across decades without the design complexity the more aggressive alternatives carry.
What to Verify Before Signing
For a prospective IUL buyer evaluating an illustration:
First, ask which death benefit option the illustration uses, and why. The illustration should clearly identify Option A or Option B. The producer should be able to articulate why one was chosen over the other given the client's specific goals and funding level.
Second, if Option B is being recommended for accumulation, ask whether a higher face amount under Option A was considered as an alternative. If the producer cannot articulate why Option B was chosen over the higher-face Option A alternative — or hasn't considered it — the recommendation may be reflecting industry convention rather than analysis of what fits the client's situation.
Third, ask what happens during distribution. If the illustration shows distribution income in retirement, ask what death benefit option is assumed during those years. If the answer is Option A, ask when and how the switch from Option B occurs and who is responsible for executing it.
Fourth, ask whether the carrier supports the option change automatically. Some carriers offer policy features that approximate the Option B to A transition without requiring a manual request — for example, return of premium options or other rider structures. These are not universal. Knowing whether the policy has automatic support or depends on manual administration determines how much administrative attention the policy will need over decades.
The Summary
The Option A vs Option B decision is more consequential than it appears. The conventional recommendation — Option B during accumulation, Option A during distribution — works structurally but depends on a manual administrative step that frequently doesn't happen. And the conventional recommendation itself is rarely compared against the alternative of a higher face amount under Option A, which solves the same MEC problem with different and often more valuable trade-offs.
For a prospective buyer, the practical answer is to ask the question explicitly: which death benefit option is being used, why, has the higher-face Option A alternative been considered, and what is the plan for changing options if a change is part of the design. A producer who can answer these clearly is doing the work the illustration alone does not show. A producer who cannot is asking the buyer to trust a design whose mechanics they may not have thought through carefully.
Louis Lopes, CLU, ChFC, is a licensed agent with JRC Insurance Group, an independent life insurance agency representing over 60 highly rated carriers. JRC specializes in complex coverage design and high-risk underwriting. For questions about IUL or any permanent life insurance design, contact Louis@JRCInsuranceGroup.com or (855) 225-6014.
Written by:

Louis Lopes, CLU ChFC
Chartered Life Underwriter, Licensed Life and Health Agent
Louis has been in the insurance business for over 30 years. He specializes in “high risk” cases as well as more complex coverages for long term care, disability, and estate planning.
Expert reviewed by:

Clifford Pendell
Managing Partner and Co-founder
Cliff is a licensed life insurance agent and one of the owners of JRC Insurance Group. He has helped thousands of families of businesses with their life insurance needs since 2012 and specializes with applicants who are less than perfect health. In his spare time he enjoys spending time with family, traveling, and the great outdoors.

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