Term life vs whole-of-life in New Zealand — which one for you?

Most life insurance sold in New Zealand is straightforward term life — a fixed sum-insured for a fixed period, with premiums that step up each year as you age. But there are three other shapes available (level term, yearly-renewable, and whole-of-life) and each suits a particular situation. Confusing them is one of the more expensive mistakes a kiwi household can make at the kitchen table.

Term life — the default

You pick a sum-insured (e.g. $1m), the policy runs to a chosen end-age (commonly 65 or 70), and you pay premiums that increase a small amount each year as your risk goes up. If you die during the term, the sum is paid to your nominated beneficiaries. If you survive past the end-age, the policy expires and you've paid for protection during the years that mattered most. Most kiwi families need this and not much else.

Level term — flatter premiums, higher early cost

Same as term life, but the premium is averaged across the term so it stays roughly flat instead of stepping up each year. Useful if you want a predictable household budget over a long horizon (15–25 years), and you're confident you'll keep the cover the whole way. The catch: early premiums are noticeably higher than for stepped term, so if you cancel early, you've effectively overpaid.

Yearly-renewable term — niche use

Premiums recalculated each year. Cheap when you're young, brutally expensive in your fifties and sixties. Almost no one should buy this as their main personal cover. It does occasionally make sense in business contexts — short-term key-person cover during a fixed contract, for example.

Whole-of-life — the contested category

Whole-of-life policies pay out whenever you die, with no end-age. Premiums are higher than term and there's typically a small investment / cash-value component built in. NZ regulators and most fee-only advisers have a long-standing scepticism of whole-of-life as a personal protection product — for most households, term cover plus separate KiwiSaver investing produces a better outcome than bundling them together.

Which to actually choose

• Mortgage-debt protection for a working-age family with kids at home: stepped term life, sum-insured to clear debt + 10× income. Cheapest, clearest fit.
• Long-term protection with budget certainty (e.g. 20-year horizon, both partners want flat premiums): level term — but only if you'll genuinely keep it all the way.
• Estate-planning need (e.g. covering inheritance tax exposure in trust structures): occasionally whole-of-life, paired with proper accounting advice.
• Business cover (key-person, shareholder buyout): often yearly-renewable or short level term, sized to the business need, reviewed annually.

What good NZ advice sounds like

A good NZ adviser will start with your sum-insured (the gap), then talk to you about which premium structure fits your household budget over the relevant horizon. They will not recommend whole-of-life as a default for a young family. If you're being routed there before the basics have been sized, it's worth a second opinion.