IUL · 11 min read · Reviewed October 2026
How to Read an IUL Illustration Without Getting Fooled

An indexed universal life (IUL) policy illustration can look impressive at first glance. It may show how cash value could grow over several decades, how policy loans might provide retirement income, and how the death benefit may support your family. But an illustration is not a promise of future performance.
Understanding the assumptions behind the numbers is essential before deciding whether an IUL policy fits your financial goals. Knowing how to read an IUL illustration can help you identify optimistic projections, understand policy costs, and ask better questions before making a long-term commitment.
What Is an IUL Illustration?
An indexed universal life illustration is a document that shows how a proposed life insurance policy may perform under specific assumptions. It generally includes projected premiums, policy charges, cash value, death benefits, and other policy details over time.
The illustration may include both guaranteed and non-guaranteed values. Guaranteed values are based on contractual minimums and maximum charges where applicable. Non-guaranteed values depend on assumptions that may change, including credited interest and certain policy charges.
The National Association of Insurance Commissioners (NAIC) explains the purpose and regulation of life insurance illustrations in its Life Insurance Illustrations guidance.
The most important point is simple: an illustration is a planning tool, not a prediction that the policy will definitely achieve the displayed results.
Understand the Difference Between Guaranteed and Non-Guaranteed Values
Start by identifying which columns show guaranteed values and which show non-guaranteed projections.
Guaranteed values are calculated using contractual guarantees. Non-guaranteed values generally use current assumptions, such as an illustrated crediting rate or current policy charges.
For example, an illustration might show:
- Guaranteed cash value: $20,000
- Non-guaranteed projected cash value: $35,000 Projected death benefit: $250,000 These are hypothetical figures, not a real policy quote. The difference between the guaranteed and non-guaranteed columns shows how much the outcome depends on assumptions.
Do not evaluate a policy only by looking at its most attractive projected column. Ask what happens if actual credited interest is lower or policy charges increase.
Check the Illustrated Crediting Rate
The IUL illustration rate is one of the most important assumptions in the document. It represents the rate used to calculate projected index-linked interest credits.
It does not mean your policy will earn that rate every year.
An IUL typically uses a crediting method linked to an external market index. Depending on the policy, this method may include a cap, participation rate, spread, or floor. These features affect how much interest may be credited.
For example, an illustration using a higher assumed rate may show substantially more cash value over time than one using a lower rate. That difference can become significant over a long policy period.
Ask the insurance professional to explain:
- Why this particular rate was selected.
- Whether the rate is the maximum permitted illustrated rate.
- How the policy performs under a lower rate.
- Whether the insurer can change the cap or participation rate.
- What contractual minimums apply.
Look Beyond the Cash Value Projection
A large projected cash value does not automatically mean the policy is affordable or sustainable.
Review the following items:
Premiums: How much are you expected to pay, and for how many years?
Cash value: How much value is projected after policy expenses?
Death benefit: Is it level or increasing? Does the selected option affect policy costs?
Surrender value: How much could you receive if you terminate the policy at a particular point?
Policy charges: What expenses are deducted from the policy value?
A policy can show positive cash value while still having a relatively low surrender value during the early years.
Compare Different Crediting Scenarios
One of the best ways to understand an illustration is to compare multiple scenarios.
Suppose an illustration shows projected cash value using a 6% assumed crediting rate. Ask for another version using a lower assumption, such as 4%, and a more conservative scenario where the policy receives limited or no index credits for certain years.
These are hypothetical assumptions, not predictions.
Look at how each scenario affects:
- Cash value accumulation.
- The amount of premium needed.
- The policy's projected duration.
- The ability to support future withdrawals or loans.
- The death benefit over time.
A policy that only appears sustainable under its most optimistic scenario deserves additional scrutiny.
Understand the Policy Charges
IUL policies may include cost-of-insurance charges, administrative expenses, premium loads, rider charges, and surrender charges.
Some charges may increase over time, particularly the cost of insurance as the insured person gets older. The exact structure depends on the policy contract.
Ask for a year-by-year explanation of policy expenses. Do not assume that the entire premium goes into cash value.
You can also review the NAIC's consumer information on life insurance to understand why premiums, cash values, and policy expenses deserve careful review.
Examine the Loan Projections Carefully
Many IUL illustrations include future policy loans as a potential source of income. However, projected loan income should never be treated as guaranteed retirement income.
Loans generally accrue interest. They reduce available policy value and may reduce the death benefit. If loans and charges become too large relative to the policy's value, the policy may lapse.
Ask these questions:
- What loan interest rate is assumed?
- Is the loan fixed or variable?
- Does the illustration assume loan interest is paid out of pocket?
- How much outstanding loan balance is projected?
- What happens if the policy earns less than assumed?
Also ask for an illustration without loans. This can help you evaluate the policy's underlying performance separately from the proposed income strategy.
Request an Updated Illustration and Professional Review
An illustration prepared before an application may differ from the final policy. Review the final version before accepting delivery.
You should also request updated in-force illustrations after the policy has been active for some time. Actual performance and charges may differ from original assumptions.
If you want to understand whether an IUL strategy fits your broader financial picture, start with a personalized review rather than relying on a sales projection. You can explore MoBetterFund's retirement readiness assessment to consider your retirement goals and planning needs.
Final Thoughts
Learning how to read an IUL illustration is about understanding both the potential and the limitations of a policy. Focus on guaranteed values, non-guaranteed assumptions, policy charges, lower-crediting scenarios, and loan sustainability.
The most useful illustration is not necessarily the one showing the highest projected cash value.
It is the one you can understand, question, and evaluate under realistic conditions.
This article is for educational purposes only and is not individualized insurance, investment, or tax advice. Policy terms and tax treatment depend on the contract and applicable law.
Frequently asked questions
- 1. What is an IUL illustration?
- An IUL illustration is a projection showing how an indexed universal life policy may perform under specified assumptions, including premiums, charges, cash value, and death benefits.
- 2. Are IUL illustrations guaranteed?
- No. Illustrations can include guaranteed and non-guaranteed values. Non-guaranteed projections depend on assumptions that may change.
- 3. What is a good IUL illustration rate?
- There is no single rate that makes an IUL illustration good. Evaluate the assumptions, contractual limits, policy charges, and lower-rate scenarios rather than choosing the highest illustrated rate.
- 4. Can an IUL illustration show more cash value than the policy actually earns?
- Yes. Actual results may be lower because credited interest, policy charges, and other factors can differ from the original assumptions.
- 5. What should I check first in an IUL illustration?
- Start with guaranteed values, premium requirements, illustrated crediting rate, policy expenses, surrender values, and projected policy duration.
- 6. Why should I request a lower-rate IUL illustration?
- A lower-rate scenario helps you understand how sensitive the policy may be to weaker crediting performance and whether the planned premiums remain sufficient.
- 7. Do IUL illustrations include policy loans?
- Many illustrations can include hypothetical future loans. Review the loan interest assumptions, outstanding balances, and effect on policy sustainability.
- 8. How often should an IUL policy be reviewed?
- Review the policy periodically and request updated in-force illustrations. Annual reviews can help identify changes in performance, charges, and policy sustainability.
This article is for education only and isn’t tax, legal or investment advice. Talk with a licensed agent and a tax professional about your own situation.

