IUL Pros and Cons: Is Indexed Universal Life Worth It?

Written and reviewed by Hans Goldstein, licensed insurance producer, NPN 20602398 · CA Insurance License #4273294
Last reviewed October 3, 2026 · Published October 3, 2026

The pros

• Floor on crediting. Index credits are never negative (charges still apply).
• Tax treatment. The death benefit is generally income-tax-free to your beneficiaries under IRC §101(a), and policy loans and withdrawals up to your basis are generally not taxed if the policy is not a modified endowment contract (IRC §7702A) and stays in force; a lapse or surrender with a loan outstanding can create taxable income.
• No contribution cap in dollars, no age-59½ rule. Funding is limited by tax law relative to the death benefit, not a dollar cap.
• Living benefits. Many IULs include accelerated benefits for terminal, chronic or critical illness (discounted on most designs).
• Forced savings. A premium paid like a bill builds value people often would not save otherwise.

The cons

• Charges. Cost of insurance, premium loads and fees are high early and rise with age.
• Capped upside. Caps and participation limits mean strong market years are not fully credited, and dividends are not included.
• Not guaranteed. Caps, participation and current charges can change within contract limits.
• Time. Cash value usually takes years to pass premiums paid (timeline).
• Lapse risk. Underfunded policies can lapse late in life, and a lapse with a loan can create a tax bill.

The forced-savings point, with evidence

Behavior research shows how much structure matters: in Vanguard's 2026 data, 401(k) participation was 94% in plans with automatic enrollment versus 64% in voluntary plans (Vanguard How America Saves 2026), and the US personal saving rate was 4.1% in August 2026 (BEA). No study directly measures whether term buyers invest the difference (research note), so this is an inference: a set premium works like a default. It cuts both ways, since 57% of permanent policyholders lapse within 10 years (Gottlieb and Smetters, 2021).

The fair case for the alternative

Buying term and investing the difference works well for disciplined savers: index funds cost about 0.05% to 0.14% a year (ICI 2026), and 401(k) and IRA room ($24,500 and $7,500 in 2026) comes first in Hans's order anyway. Buy term and invest the difference · IUL vs Roth.

Who should buy one

Hans's quick screen

Hans's opinion, not a rule: an IUL done right is the most efficient way most people can pair permanent coverage with cash value. Done wrong, it is an expensive policy that lapses late. The difference is design and funding.

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Hans Goldstein · 213-414-2808 · NPN 20602398, independent licensed insurance producer

Frequently asked questions

Sources

1. Vanguard How America Saves 2026 (2025 data): 86% plan-weighted participation, 94% in auto-enrollment plans versus 64% in voluntary plans, average deferral 7.6% (median 6.6%), total with employer 12.1% (as of 2026-06)
2. The U.S. personal saving rate was 4.1% of disposable income in August 2026 (as of 2026-09-30)
3. No study found directly measures whether term buyers actually invest the premium difference. Arguments that they do not (e.g., Babbel and Hahl 2015) rest on behavioral theory and general saving data, not tracking of BTID households (as of 2015-05)
4. LIMRA data cited by Gottlieb and Smetters show 29% of permanent policyholders lapse within 3 years of purchase and 57% within 10 years; term policies lapse at about 6.4% per year (as of 2021-08)
5. In 2025, index equity mutual funds averaged a 0.05% asset-weighted expense ratio and index equity ETFs 0.14%; actively managed equity mutual funds averaged 0.64% (as of 2026-03)
6. For 2026, the 401(k)/403(b)/457/TSP elective deferral limit is $24,500 and the IRA limit is $7,500 (as of 2025-11-13)
7. 26 U.S.C. §101 (death benefits, accelerated benefits), Cornell LII
8. 26 U.S.C. §7702A (modified endowment contracts), Cornell LII