A Comparative Ledger, In Two Columns

Edition: April 2026

Term life, or whole life. The ledger settles it.

Two products. One ledger. On the left, term life: a small premium for a fixed window of pure protection. On the right, whole life: a much larger premium that buys permanent coverage plus a slow-growing cash value account. We have laid them side by side, with 2026 rate ranges by age, the cash value math, and the agent commission split most pages do not show.

Column A: Term Life

Pure protection, fixed window

Sample monthly premium
$22 to $35
$500k, age 30, 20-yr
Coverage period
10, 20, or 30 yr
Then policy ends
Cash value built
$0
Pure insurance only
Year-1 agent commission
30 to 50%
Of first-year premium
Best for
Most households
Income replacement, mortgage, kids

Column B: Whole Life

Permanent coverage with cash value

Sample monthly premium
$300 to $400
$500k, age 30
Coverage period
Permanent
As long as premiums paid
Cash value at year 20
~$60k to $70k
Inside the policy, 2 to 4% growth
Year-1 agent commission
50 to 100%
Of first-year premium
Best for
Narrow exceptions
ILITs, buy-sell, uninsurable health

Difference

$280-$370/mo

Whole life minus term, age 30, $500k

If invested at 7%

~$155k-$200k

Twenty-year horizon, S&P-style return

Whole-life cash value

~$60k-$70k

Same period, 2 to 4% guaranteed

Run my numbers in the calculatorSee the BTID year-by-year

Coverage need across the lifespan

Why 20- to 30-year term, not permanent, fits most households

Life insurance need rises with dependents and a mortgage, then falls as savings grow and obligations end. A term policy is shaped to that curve. A whole life policy keeps charging for protection long after you no longer need it.

age 25Single / startingage 30New parentage 35Family + mortgageage 45Kids in schoolage 55Empty nestage 65Retiredage 75Legacy only

Article II: The Worked Example

Buy term, invest the difference.

Enter your age, coverage, and term length below. The ledger updates with mid-market premium ranges, the difference between whole and term, and what that difference grows to if invested in a low-cost index fund. Premiums are illustrative averages, not quotes.

Your particulars

Ages 20 to 60. Estimates assume healthy non-smoker.

Women typically pay 15 to 20% less.

7% is the long-run real S&P 500 return (inflation-adjusted).

Term life · monthly

$25/mo

20-year coverage, then ends.

Whole life · monthly

$350/mo

Permanent. Cash value compounds inside the policy.

Monthly difference

$325/mo extra

Over 20 years, that is $78,000 of additional premium for whole life.

If you instead invest the difference at 7%

$169,301

after 20 years. The whole-life cash value over the same span is roughly $62,160.

Total premiums paid · 20 years

Term
$6,000
Whole
$84,000

Marginalia · agent commission

Whole life pays the selling agent 50 to 100% of the first-year premium. On a $350/mo policy, that is roughly $2,100 to $4,200 in year one. Term commission is 30 to 50% of a far smaller premium. Compensation explains a great deal of the sales pressure.

Verdict, with caveats

For most households, term wins.

Term life lines up with the years your family depends on your income. The premium savings, invested monthly in a low-cost index fund, almost always produce more wealth than whole life cash value over a 20 to 30 year horizon. The math, run dispassionately, favors term in the great majority of household balance sheets.

Read the BTID strategy in full

Where whole life is the right answer

A narrow set of cases.

Estate planning above the federal exemption, business buy-sell funding, guaranteed insurability for chronic conditions, and high earners with all tax-advantaged accounts already filled. If you are in one of these situations, whole life is a rational tool, but work with a fee-only fiduciary, not a commissioned agent.

Read the four scenarios where whole life makes sense

Article III: Side-by-side terms

Every line of the policy, in two columns.

ProvisionTerm LifeWhole Life
Cost (age 30, $500k)Roughly $20-$35/moRoughly $300-$400/mo
Coverage duration10, 20, or 30 yearsPermanent (lifetime)
Cash valueNoneYes, grows at 2 to 4% guaranteed
Premium flexibilityFixedFixed (universal life is flexible)
Death benefitFace amount, tax-free to beneficiariesFace amount, tax-free to beneficiaries
Tax advantagesDeath benefit is income-tax-freeDeath benefit tax-free; cash value grows tax-deferred; loan-based withdrawals can be tax-free
Year-1 agent commission30 to 50% of first-year premium50 to 100% of first-year premium
Best fitMost households needing income replacementEstate liquidity, business buy-sell, narrow tax-shelter cases

Article IV: The rest of the ledger

Continue reading.

Term life, in detail

How it works, 2026 rates by age, term-length selection, what happens at expiry.

Whole life, with the math

Cash value timeline, surrender charges, commission split, the rate table at $250k/$500k/$1M.

Buy term, invest the difference

The BTID strategy, the year-by-year ledger, and the standard counterarguments answered.

How much do you need?

DIME method, life-stage scenarios, stay-at-home parent coverage, with a free calculator.

2026 rate tables

Term and whole life premium ranges across ages 25 to 65, by gender, term length, and coverage.

When whole life makes sense

The four scenarios where permanent coverage is the right tool, and how to find a fiduciary.

Converting term to whole

How conversion clauses work, when they help, and how universal life compares as an alternative.

Article V: Questions of fact

Frequently asked.

Is whole life insurance ever worth it?

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In narrow circumstances, yes. Whole life is a rational choice for very large estates that face federal estate tax (the 2026 exemption is around $13.99 million per person), for business buy-sell agreements where coverage cannot be allowed to expire, for people with chronic conditions who may become uninsurable, and for high earners who have already maxed every tax-advantaged account (401k, IRA, HSA). Outside those situations, term life and investing the difference produces materially better outcomes.

What is buy term and invest the difference?

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It is a strategy popular in personal finance circles. You buy the cheapest adequate term life policy. You take the money you would have paid in higher whole life premiums and invest it monthly in low-cost index funds. Over a 20 to 30 year horizon, the investment growth on that difference typically far exceeds the cash value that would have built up inside a whole life policy, because broad market returns historically average 7% real versus 2 to 4% guaranteed inside whole life.

How much term life insurance do I need?

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A useful starting point is 10 to 12 times your annual income. The fuller answer is the DIME method: cover non-mortgage Debt, replace Income for the years your dependents need it, pay off the Mortgage, and fund Education for any children. A 30-year-old earning $80,000 with a $300,000 mortgage and two young children often lands somewhere around $1,000,000 of 20-year term, which is generally an inexpensive premium for a healthy non-smoker.

What happens when term life insurance expires?

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It expires with no payout, by design. Term life is built to cover the years your dependents rely on your income. By the time a 20- or 30-year term ends, the mortgage is largely paid down, the children are independent, and retirement savings should be substantial enough that a death benefit is no longer required. If circumstances are different, you can renew at much higher rates or convert the policy to whole life if your contract has a conversion clause.

Why do insurance agents push whole life?

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Compensation. Whole life policies pay the selling agent 50 to 100% of the first-year premium as commission. On a $350/month whole life policy, that can be $2,000 to $4,000 to the agent in year one alone. Term life pays a much smaller percentage of a much smaller premium. The product that makes the agent the most money is rarely the product that is best for the customer. This is not a moral judgement. It is an incentive structure to be aware of.

What is the cash value of whole life insurance?

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Cash value is a savings component inside a whole life policy. A portion of every premium is added to it, and the insurer credits guaranteed growth, typically 2 to 4% per year. You can borrow against the cash value, but loans accrue interest. Surrender charges can apply for 10 to 15 years if you cancel. And in most policies, when you die, the insurer keeps the accumulated cash value and pays only the face-amount death benefit to your beneficiaries.