IUL and term life insurance differ in coverage duration, cost structure, cash value and death benefit flexibility:
IUL vs. Term Life Insurance: Which Is Right for You?
Term life insurance is the best choice for most people. A 40-year-old pays an average of $47 to $59 per month for a $500,000 term policy, while an indexed universal life (IUL) policy with the same death benefit averages $335 to $408 per month. The higher cost reflects IUL’s permanent coverage and tax-deferred cash value tied to a stock market index. Term life offers affordable protection for a set period, while IUL is best for buyers with long-term insurance and cash value accumulation goals.
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Updated: July 10, 2026
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IUL vs. Term Life Insurance: At a Glance
Coverage Duration | Lifetime | 10 to 30 years |
Cash Value | Yes, index-linked | No |
Premiums | High, flexible | Low, fixed |
Investment Risk | Low to moderate | None |
Death Benefit | Flexible | Fixed |
Flexibility | High | Low |
Best For | High earners, retirement supplement | Income replacement, budget-focused buyers |
Key Differences Between IUL and Term Life Insurance
The biggest differences between IUL and term life insurance are how long coverage lasts, what you pay and whether the policy builds cash value.
Coverage Length
Term life insurance provides coverage for a set period of 10, 15, 20 or 30 years. If you outlive your policy, coverage ends. You can renew at a higher rate based on your age and health status. Some term life companies also allow you to convert to a whole life policy.
IUL provides lifelong coverage as long as your policy remains adequately funded. It’s better suited for permanent life insurance needs, such as estate planning or business succession.
Cash Value
Term life insurance doesn’t build cash value. Your premiums pay only for the death benefit, which is why term policies cost much less.
IUL builds cash value that grows based on the performance of a stock market index, usually the S&P 500. Most policies include a 0% floor to protect against market losses and a cap rate that limits gains. You can access the cash value through loans or withdrawals.
Premium Costs
Term life insurance has fixed premiums for the life of the policy. A healthy 40-year-old pays an average of $47 to $59 per month for a 20-year, $500,000 policy.
IUL premiums are flexible, but the overall cost is much higher. A comparable policy averages $335 to $408 per month, and insurance costs increase as you age.
Death Benefit
Term life insurance pays a fixed death benefit if you die during the policy term.
IUL also provides a death benefit but lets you choose between a level death benefit, which keeps costs lower, or an increasing death benefit, which includes accumulated cash value but comes with higher insurance costs.
Growth Potential and Risk
Term life insurance has no investment component. Many people choose to buy term and invest the difference by putting the premium savings into retirement or investment accounts.
IUL offers protected growth rather than direct market investing. Your cash value earns interest based on an index but is limited by cap and participation rates. You avoid market losses but give up some upside in return.
Flexibility
Term life insurance is much simpler. Your premiums and coverage stay the same throughout the policy, though many policies allow you to convert to permanent life insurance before the term expires without another medical exam.
IUL offers more flexibility. You can adjust your premiums, change the death benefit and access cash value during your lifetime. That flexibility also requires more oversight, as you'll need to monitor cash value growth and rising insurance costs to help keep your policy active.
IUL vs. Term Life Insurance Cost
IUL policies cost much more than term life insurance at every coverage level because they combine permanent coverage with cash value growth. For a 40-year-old in average health, a 20-year, $500,000 term life policy averages $47 per month for women and $59 for men, while a comparable IUL averages $335 for women and $408 for men. At $1.5 million in coverage, term life averages $127 for women and $163 for men, compared with $1,005 for women and $1,224 for men for an IUL.
$100,000 | $16 | $67 | $19 | $82 |
$250,000 | $28 | $168 | $35 | $204 |
$500,000 | $47 | $335 | $59 | $408 |
$750,000 | $67 | $503 | $85 | $612 |
$1 million | $86 | $670 | $109 | $816 |
$1.5 million | $127 | $1,005 | $163 | $1,224 |
* Rates shown are for 40-year-old nonsmokers in average health.
UNDERSTANDING IUL COSTS AND FEES
An IUL's premium isn't the same as its investment value. Part of every payment goes toward insurance and policy expenses before the rest is credited to your cash value.
Common IUL costs include:
- Cost of insurance (COI): Pays for the death benefit and increases as you age.
- Premium load: A percentage deducted from each premium payment, often between 5% and 10%.
- Administrative fees: Monthly policy charges for maintenance and administration.
- Rider fees: Optional benefits, such as long-term care or waiver of premium, increase your overall cost.
- Surrender charges: Penalties for canceling your policy during the first 10 to 15 years.
These expenses reduce cash value growth, especially in the early years. Before buying, ask your insurer for a policy illustration that shows how fees affect cash value over time under both expected and conservative return assumptions.
Pros and Cons of IUL vs. Term Life Insurance
Benefits of IUL
Permanent coverageAn IUL doesn't expire as long as it stays funded. Your beneficiaries receive the death benefit regardless of when you die.
- Tax-deferred cash value growth
Cash value grows without annual tax liability. You can access it through policy loans not treated as taxable income, which creates a tax-efficient income stream in retirement.
- Downside protection
The 0% floor means your cash value won't decrease due to an index loss in a given crediting year, unlike a direct market investment.
- Flexible premiums
You can adjust how much you pay within policy limits, which helps during periods of lower income or higher expenses.
- Rider options
Many IUL policies allow riders for long-term care coverage, waiver of premium and accelerated death benefits for terminal illness.
Drawbacks of IUL
High costIUL premiums are much higher than term for the same death benefit, especially in the early years when cash value is minimal.
- Complexity
IUL policies involve caps, participation rates, floors, cost of insurance charges and surrender periods. They're harder to model and compare than term life policies.
- Capped upside
When markets perform well, gains are limited by the policy's cap rate. In a strong bull market, a direct index investment outperforms IUL cash value.
- Lapse risk
If your cash value drops too low to cover internal insurance charges, the policy can lapse. That risk increases if the market underperforms or if you take loans without repaying them.
- Surrender charges
Most IUL policies charge fees for withdrawing cash value during the first 10 to 15 years, which limits early access to accumulated funds.
Benefits of Term Life Insurance
- Low cost
Term life is the cheapest life insurance policy, allowing you to get a large death benefit at an affordable rate.
- Simplicity
You pay premiums and your beneficiaries get the death benefit if you die during the term. There's no cash value to manage and no internal charges to track.
- Predictable premiums
Your premium is locked in for the entire term. There are no surprise cost increases tied to your age or market conditions.
- Income replacement scale
Term coverage can replace 10 to 20 times your annual income at a cost most working families can afford.
- Conversion option
Many term policies include a conversion rider, letting you switch to permanent coverage without a new medical exam if your needs change.
Drawbacks of Term Life Insurance
- No cash value
Term life insurance doesn't build savings or investment value. If your policy expires, you don't get any money back.
- Coverage is temporary
Your policy lasts only for the selected term. If you still need coverage after it ends, you'll need to buy a new policy or renew your existing one.
- Higher renewal costs
Renewed policies are priced based on your current age and health, so premiums can increase greatly.
- Less flexibility
Coverage amounts and premiums are fixed for the life of the policy. Increasing coverage requires a new application and medical underwriting.
Bottom Line: Which Should You Choose?
For most people, term life insurance is the better choice. It provides the most coverage for the lowest cost. It’s ideal for income replacement, paying off a mortgage or protecting your family while your children are still financially dependent.
An IUL makes sense for a much smaller group of buyers. It may be a good fit if you:
- Have already maxed out your 401(k) and IRA or Roth IRA.
- Need permanent life insurance for estate planning, business succession or lifelong financial dependents.
- Are in a higher tax bracket and want another tax-advantaged way to build retirement assets.
- Can consistently fund the policy for 20 years or more.
- Value downside protection through a 0% floor, even if it means giving up some upside.
Choose term life insurance if you:
- Need affordable coverage to protect your family's income.
- Want coverage only for a specific period, such as until your mortgage is paid off or your children become financially independent.
- Prefer to invest separately in retirement accounts or low-cost index funds.
- Want simple, predictable coverage without cash value or ongoing policy management.
If you're deciding between the two, start by asking whether you need permanent life insurance. If the answer is no, term life is almost always the better value. If the answer is yes and you've already maximized other tax-advantaged savings opportunities, an IUL is worth considering.
Frequently Asked Questions
Neither is universally better. Term life is the right choice for most people: it costs less and covers the years when your dependents need income replacement. IUL suits high earners who've maxed out other retirement accounts and need permanent coverage with tax-deferred cash value growth.
Your IUL cash value won't decrease from index losses due to the 0% floor. But internal insurance charges, surrender fees and unpaid policy loans can erode cash value if your policy is underfunded. If cash value drops too low to cover internal costs, the policy lapses, and you lose coverage and accumulated value.
IUL costs more because it provides permanent life insurance and builds tax-advantaged cash value. Your premiums pay for the death benefit, policy fees and cash value accumulation. Term life insurance covers only the death benefit for a set period.
IUL can supplement retirement planning through tax-deferred growth and tax-free policy loans. But it's not a replacement for a 401(k) or Roth IRA, which should be funded first. For most people saving for retirement, low-cost index funds inside a Roth IRA are a more efficient first step before an IUL makes sense.
Many term life policies let you convert to a permanent policy, including an IUL, without a new medical exam. In our analysis, conversion is generally available until your term policy expires or you reach age 70, whichever comes first. Premiums are based on your age at conversion, and not all insurers offer IUL as a conversion option, so review your policy's conversion details before you buy.
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About Patrick Bryant
Patrick Bryant is the Vertical Lead for Life and Health Insurance at MoneyGeek, where he researches insurance products, writes consumer guides and maintains the scoring methodologies behind our provider comparisons. He analyzed more than 50 life insurance carriers across multiple policy types, collecting thousands of quotes nationwide to evaluate rates, coverage options and underwriting factors. His methodologies are reviewed quarterly to reflect current market conditions and carrier data.