Life Insurance Buyer's Guide: Term vs Whole Life and How Much You Need

Life insurance exists to solve one problem: the financial hole that opens when someone who supports other people dies. Everything else about the product, the riders, the investment features, the tax treatment, is secondary to that. If nobody depends on your income and you have no debts that would pass to others, you may not need it at all. If people do depend on you, the question is not whether to buy but which structure and how much.

Term life: the default answer for most households

A term policy covers a fixed period, commonly ten, twenty or thirty years. If you die within the term, the insurer pays the death benefit to your beneficiaries. If you outlive the term, the policy expires and nobody gets anything.

That expiry is not a flaw; it is the reason term insurance is cheap. Most people need coverage during a specific window, the years when the mortgage is large, the children are dependent and retirement savings are still building. By the time a thirty-year term ends, an organised household typically has a paid-down mortgage, adult children and accumulated assets, meaning the need has genuinely disappeared.

Premiums are level for the term and the difference in cost compared with permanent insurance is dramatic, often a factor of five to fifteen for the same death benefit. For the overwhelming majority of families, term insurance combined with disciplined investing in retirement accounts is the better plan.

Permanent life: narrower, more expensive, occasionally correct

Whole life, universal life and their variants cover you for life and accumulate a cash value you can borrow against. Part of every premium pays for insurance, part covers fees and commissions, and part goes into the cash value.

The cost is high and the early-year cash value is poor, because acquisition costs are front-loaded. Illustrated returns are projections, not guarantees, and the internal expenses are rarely presented clearly. Anyone who tells you a whole life policy is primarily an investment is selling, not advising.

There are legitimate uses. Estate liquidity for large taxable estates, where heirs need cash to pay taxes without forcing the sale of a business or property. Lifelong support of a dependent with a disability, often through a properly drafted trust. Business succession funding for buy-sell agreements. Some high earners who have already maximised every tax-advantaged retirement account use it as a supplementary vehicle. Outside those cases, term is almost always the right call.

Working out how much coverage you need

Two methods are common. The multiple-of-income shortcut suggests ten to fifteen times gross annual income, which is quick and often approximately right, but it ignores your actual balance sheet.

The needs-analysis method is better. Add together the outstanding mortgage balance, all other debts, the projected cost of educating each child, an estimate of final expenses, and the amount of income replacement your household would need, calculated as annual support required multiplied by the number of years it is required. From that total, subtract existing liquid assets, current retirement savings that would be accessible, and any group life coverage from an employer.

The remainder is your gap. Round up rather than down; the marginal cost of an extra hundred thousand dollars of term coverage is usually small.

Do not skip coverage for a non-earning spouse. Replacing childcare, household management and logistics costs real money, and that loss lands at the worst possible time.

Do not rely only on employer coverage

Group life through work is convenient and often free, but it typically caps at one or two times salary, which is far below the need for a family with a mortgage. Crucially, it usually ends when the job ends. Losing employment and life coverage simultaneously, potentially after a health change that makes new coverage expensive, is a serious exposure. Treat group coverage as a supplement to an individually owned policy, not a replacement for one.

What drives your premium

Age is the dominant factor, and it only moves one way, which is the strongest argument for buying sooner rather than later. Health is next: the medical exam covers blood pressure, cholesterol, blood glucose, body mass index and a screen for nicotine and other substances. Family history of early cardiac disease or certain cancers matters. Tobacco use in any form, including vaping and occasional cigars, typically doubles the premium or worse, and most insurers require twelve months of abstinence before reclassifying.

Occupation and hobbies feed in too. Private aviation, technical climbing and scuba diving beyond recreational depths all attract loadings. Driving record matters; recent impaired-driving convictions can make coverage difficult to obtain at any price.

If you have a manageable condition, work with an independent broker rather than a single carrier. Underwriting guidelines for conditions like well-controlled diabetes, treated sleep apnoea or a history of depression vary enormously between insurers, and the same applicant can receive very different classifications.

Riders worth considering

A waiver of premium rider keeps the policy in force if you become disabled and cannot pay, which is valuable because disability is statistically more likely than death during working years. A guaranteed insurability rider lets you buy additional coverage later without new underwriting, useful for young buyers whose needs will grow. An accelerated death benefit, which allows access to part of the payout after a terminal diagnosis, is frequently included at no extra cost.

Child riders and accidental death riders are usually poor value. Return-of-premium term costs substantially more than plain term, and investing the difference generally leaves you ahead.

Getting the administration right

Name your beneficiaries explicitly and add contingent beneficiaries. Beneficiary designations override your will, so review them after every marriage, divorce or birth. Naming a minor child directly creates legal complications; a trust is the cleaner route.

Tell your beneficiaries the policy exists and where the documents are. A meaningful number of policies go unclaimed simply because nobody knew about them.

Finally, review coverage every few years, or whenever your mortgage, income or family size changes materially. Life insurance is not a purchase you make once; it is a position you adjust as the underlying obligation grows and eventually shrinks away.