Term and permanent life insurance get compared constantly, usually as if one is simply the upgraded version of the other. They're not. They're built to do different jobs, and the more useful question isn't "which is better" — it's "which job am I actually trying to get done."
What term insurance is built for
Term insurance provides coverage for a set period — often 10, 20, or 30 years — at a cost that's typically lower than permanent coverage for the same amount of protection, especially earlier in life. It's built for needs with a natural end date: income replacement while children are dependent, coverage that matches a mortgage term, or protection during the years a household would be hit hardest by losing an income.
The trade-off is in the name: term coverage is temporary. If you outlive the term, the coverage ends (some policies allow renewal or conversion, usually at a higher cost reflecting your age). For a need with a clear time horizon, that trade-off is often exactly the point — you're not paying for permanence you don't need.
What permanent insurance is built for
Permanent insurance (whole life, universal life, and other variations) is designed to last for your lifetime rather than a set term, and many versions build cash value over time that a policyholder can potentially access. It tends to cost more than term coverage for the same initial death benefit, because it's pricing in coverage that doesn't expire.
Permanent coverage tends to fit needs that don't have a natural end date: covering final expenses whenever they occur, an estate-planning goal, or a strategy that uses the policy's cash-value component as one piece of a broader plan. It can also matter for someone who wants certainty that coverage won't need to be re-underwritten or re-priced later in life, when health changes can affect insurability.
A simple way to sort the question
- Does the need have an end date? A mortgage term, the years until kids are independent, or income-replacement during working years point toward term.
- Are you trying to build something, or replace something? Replacing lost income points toward term; building a permanent asset alongside protection points toward permanent.
- What can the budget support consistently? Coverage that lapses because premiums became unaffordable protects no one. Many households start with the amount of the right type they can sustain, rather than the maximum available.
It's also common, and often reasonable, to use both: term coverage layered for a specific time-limited need, alongside a smaller permanent policy for a lifetime need like final expenses.
A closer look at what "permanent" buys you
Beyond lifetime coverage, permanent policies typically build cash value on a tax-advantaged basis, which some policyholders can access later through a withdrawal or loan against the policy. This cash-value feature is often the source of confusion in term-versus-permanent comparisons, because it makes permanent insurance function partly as a protection product and partly as a savings or investment vehicle — two different jobs bundled into one contract. Whether that bundling is efficient for a given household depends on whether they'd otherwise be maximizing other tax-advantaged savings first (an RRSP or TFSA in Canada, a 401(k) or IRA in the U.S.), since those vehicles are often, though not always, a more direct way to save before considering a permanent policy's cash-value component.
It's also worth understanding that not all permanent policies build cash value the same way, or guarantee that value will grow at a predictable rate — whole life policies tend to offer more predictable, guaranteed cash-value growth, while universal life and variable products can tie cash value more closely to market or interest-rate performance, with less certainty (and, in some designs, real risk of the policy underperforming or requiring higher premiums than originally planned).
What the cost difference actually looks like over time
For a healthy 35-year-old, a 20-year term policy and a permanent policy with the same death benefit can differ substantially in premium — term is frequently a fraction of the cost of permanent coverage for the same initial amount, because term isn't pricing in a payout that's certain to eventually occur. That gap narrows, and can even reverse, later in life: term coverage purchased or renewed at 60 can be considerably more expensive than it would have been at 35, while a permanent policy's premium (in level-premium designs) was often locked in decades earlier.
This is part of why the "which is cheaper" question depends heavily on time horizon. Over a 20-year need, term is very often the lower-cost path to the coverage amount required. Over a lifetime need, the comparison changes, because term would need to be renewed repeatedly at increasing cost, or replaced with permanent coverage later at an older, potentially less healthy age.
A common blended approach
Rather than choosing one exclusively, many households layer both: a larger term policy sized to cover the years of peak financial obligation — a mortgage, dependent children — alongside a smaller permanent policy sized for a lifetime need like final expenses or a modest legacy. This isn't a rule that fits everyone, but it illustrates that the term-versus-permanent question is rarely all-or-nothing in practice.
Neither answer is generic
The comparison above is a starting framework, not a recommendation for your household. Term versus permanent, and how much of each, depends on income, dependents, existing savings, health, and goals that are specific to you — which is exactly the kind of question worth bringing to a licensed professional once you understand the basic trade-off.