Cost of Insurance

Insurance
intermediate
10 min read
Updated Feb 21, 2026

What Is the Cost of Insurance?

The cost of insurance (COI) represents the specific charge deducted from the cash value of a permanent life insurance policy (such as universal life or variable universal life) to pay for the actual death benefit coverage. It is calculated based on the insured's age, health rating (mortality risk), and the "net amount at risk" (the difference between the death benefit and the accumulated cash value). As the insured ages, the cost of insurance per $1,000 of coverage increases, which can erode cash value if not managed properly.

In permanent life insurance policies like Universal Life (UL) and Variable Universal Life (VUL), the premium paid by the policyholder is split. Part of it goes toward administrative fees, part goes into a cash value account (investment component), and part is used to pay the "Cost of Insurance" (COI). This COI is essentially the price of the term insurance protection embedded within the permanent policy. The COI is not a fixed amount. It is a dynamic charge that changes over time based on two primary factors: 1. **Mortality Risk:** As you age, the statistical probability of death increases. Therefore, the cost to insure your life for one year increases. This is why term insurance premiums rise with age (or are level for a specific term and then jump). In a permanent policy, the COI rate per $1,000 of coverage rises every year. 2. **Net Amount at Risk:** This is the difference between the total death benefit (what the beneficiary receives) and the current cash value (what you have saved). The insurance company is only truly "at risk" for this difference. For example, if the death benefit is $500,000 and you have $100,000 in cash value, the insurance company's risk is $400,000. The COI charge is applied only to this $400,000. The interplay between these factors is crucial. Ideally, as you age (and the COI rate rises), your cash value should also be growing (reducing the net amount at risk). If the cash value grows fast enough, the total COI charge (Rate * Net Amount at Risk) might remain manageable. However, if the cash value performs poorly (e.g., in a VUL policy during a market crash) or if you stop paying premiums, the net amount at risk increases while the rate also increases. This creates a "death spiral" where the rising COI eats up the remaining cash value, eventually causing the policy to lapse unless significant additional premiums are paid.

Key Takeaways

  • Represents the pure cost of the death benefit protection, separate from administrative fees and investment returns.
  • Typically increases annually as the insured gets older (due to higher mortality risk).
  • Deducted monthly from the policy's cash value accumulation.
  • Calculated based on the "Net Amount at Risk" (Death Benefit minus Cash Value).
  • Critical factor in the long-term performance and viability of permanent life insurance policies.
  • Rising COI charges can lead to policy lapses if cash value is insufficient to cover them.

Calculating the Monthly Deduction

How the insurance company determines the amount to deduct from your cash value each month.

Impact on Policy Performance

The Cost of Insurance is the single biggest drag on the investment performance of a permanent life insurance policy. While the cash value grows tax-deferred, the COI charges act like a recurring expense ratio that increases with age. In the early years of a policy, the COI is low, allowing cash value to build up. In later years (e.g., age 70+), the COI rate can become exorbitant. Many universal life policies sold in the 1980s and 1990s illustrated high interest rates (e.g., 10-12%) which were expected to easily cover future COI increases. When interest rates fell and stayed low for decades, these policies earned much less than projected. Meanwhile, the COI charges continued to rise as policyholders aged. This mismatch has caused millions of policies to implode, forcing owners to either pay drastically higher premiums to keep the insurance or surrender the policy for whatever cash value remained (often triggering a tax bill on the gain).

COI vs. Premium

FeaturePremiumCost of Insurance (COI)
DefinitionAmount paid by policyholder to insurerAmount deducted by insurer from cash value
FrequencyFlexible (Annual, Monthly, Single Pay)Monthly deduction
DestinationGoes into Cash Value (after loads)Goes to Insurer to pay claims
VariabilityCan be fixed or flexibleIncreases with age (Mortality Table)
ControlPolicyholder decides amountInsurer determines based on risk
RelationDeposits into the accountWithdrawals from the account

FAQs

Yes, in Universal Life policies. While the "maximum" COI rate is guaranteed in the contract (usually based on the 2001 CSO Mortality Table), the "current" rate charged can be increased by the insurer, subject to state regulations and contract terms. This is a significant risk factor.

Yes, but it is bundled into the fixed premium and is not explicitly deducted from the cash value in the same transparent way as Universal Life. In Whole Life, the insurer bears the risk of rising COI; premiums are fixed and guaranteed never to increase, regardless of mortality experience.

If the cash value drops to zero (because COI charges exceeded interest earnings and premiums), the policy enters a "grace period." You must pay a significant "catch-up" premium to cover the COI and rebuild cash value, or the policy will lapse (terminate) without value.

You can lower the Net Amount at Risk by either: 1) Paying more premiums to increase Cash Value, or 2) Reducing the Death Benefit (face amount). Many people reduce coverage in retirement to keep the policy affordable as COI rates spike.

No. Life insurance premiums and COI charges are considered personal expenses and are not tax-deductible. However, the death benefit paid to beneficiaries is generally income-tax-free.

The Bottom Line

The Cost of Insurance is the engine under the hood of permanent life insurance. It represents the true price of protection. While often overlooked during the sales process in favor of projected investment returns, the COI curve is the most critical determinant of a policy's long-term sustainability. Understanding how it rises with age and interacts with cash value performance is essential for any policyholder to avoid the "lapse trap" in their later years.

At a Glance

Difficultyintermediate
Reading Time10 min
CategoryInsurance

Key Takeaways

  • Represents the pure cost of the death benefit protection, separate from administrative fees and investment returns.
  • Typically increases annually as the insured gets older (due to higher mortality risk).
  • Deducted monthly from the policy's cash value accumulation.
  • Calculated based on the "Net Amount at Risk" (Death Benefit minus Cash Value).