Level vs Stepped Premiums in NZ (2026): Which Costs Less Over the Life of Your Policy?

Stepped premiums start low and rise every year; level premiums lock in higher and stay flat. Here is how each works, when level works out cheaper, and how the crossover age decides it.

When you take out life or other personal risk cover, you choose a premium structure as well as a cover amount. The two main options are stepped and level. Stepped premiums start cheaper and rise each year. Level premiums start higher but hold flat. The cheaper option today is often the dearer one over a long term — and the point where that flips is the whole question.

This guide explains how the two work in New Zealand, why stepped cover rises every year, when level works out cheaper across the life of the policy, what the crossover age is, the risks of locking in level, and how indexation changes the maths. The right answer depends on your timeframe and circumstances, not on which number looks lower on day one.

TL;DR: Stepped premiums start low and climb every year with your age — roughly 2–15% a year, accelerating from the mid-40s ⁹. Level premiums lock your rate at entry age and stay flat to age 65 or 80 ⁶. Level usually works out cheaper only if you hold the cover past the crossover point, typically age 55–65 ⁸. Which suits you depends on how long you will actually keep the cover.

What is the difference between stepped and level premiums?

The difference is how the premium is calculated as you age.

A stepped premium — sometimes called "rate for age" — is recalculated each year on your current age. Because the statistical chance of a claim rises as you get older, the premium rises with it. Stepped is the most common structure in New Zealand, and the annual cost will generally increase every year you hold the policy ⁵.

A level premium is set using your age at the time you apply, and then stays fixed in nominal terms for the level period. If you lock in at 35, you keep paying close to a 35-year-old's rate as you move through your 40s and 50s. Most level cover in New Zealand stays level until age 65 or 80, depending on the insurer, after which it typically converts to stepped premiums or the policy ends ⁶⁷.

A few points are worth being precise about, because they cause confusion:

• Level premium is not the same as level cover. Premium structure is about the price; cover structure (level vs decreasing) is about the sum insured. They are separate decisions, and you can mix them.
• "Fixed" means fixed in dollars, not in real value. A flat premium buys a little less each year as prices rise — unless you add indexation, covered below.
• Level is not permanently frozen. Increasing the sum insured, or activating indexation, can still lift a level premium ⁶.

Figure: Stepped vs level premium structures. Source: Smiths Financial summary of NZ insurer premium structures; general structure, not a quote.

Why do stepped premiums rise every year in NZ?

Stepped premiums rise because they are repriced to your age each year, and the likelihood of a claim genuinely increases as you get older. That is the core mechanic ⁵.

This matters in New Zealand specifically. We are one of the most underinsured nations in the OECD, and affordability is consistently among the top reasons people give for not taking out or not keeping cover ¹. The under-cover is real: only around 22% of New Zealanders hold trauma or critical illness cover, 20% income protection, and 17% total and permanent disability cover ². Rising premiums are part of that picture — when a stepped premium climbs past what the household budget allows, some people cancel cover precisely when they may need it most.

The increases are not flat, and this is the detail that drives the level-versus-stepped decision. Indicative stepped increases run at around 2–15% a year depending on your age band, steepest from the mid-40s onward ⁹. Early on the rises are small and easy to absorb; later they compound, and a premium that started modest can become a large monthly cost in your 50s and 60s.

For scale, the New Zealand industry supports around 4.1 million life, trauma, disability and income policies and paid roughly $1.2 billion in claims in the prior year ³, with total claims accepted up 21% year on year ⁴. Cover does pay out — the structuring question is keeping yours in force, and affordable, by the time you might claim.

When does level work out cheaper over the life of the policy?

Level cover costs more at the start. It works out cheaper only if you hold the policy long enough for the rising stepped premium to overtake the flat level one, and then keep holding it.

The mechanism is straightforward. In the early years the stepped premium sits below the level premium, so both year-by-year and cumulatively, stepped is cheaper. Each year stepped rises while level stays put. At some point the annual stepped premium passes the level one, and some years after that the cumulative total paid under stepped overtakes the cumulative total under level. From there on, level is cheaper for as long as you keep the cover ⁷⁸.

So level tends to win on lifetime cost when the cover is for a long-term, structural need — for example cover held well into your 60s — and you are confident you will keep it past the crossover rather than cancelling earlier.

Level tends not to pay off when the need is temporary, or when there is a real chance you will cancel, restructure or no longer need the cover before the crossover. There, you would have paid the higher level price for years without ever reaching the point where it earns the difference back.

This is general information about how the two structures behave — not a recommendation that one suits you. The figure below shows the shape; the next section is about finding your crossover.

!Line chart comparing annual premium by age for stepped vs level cover over 30 years, with the stepped line rising past the flat level line, and a marked crossover age where the cumulative cost flips in favour of level.

Figure: Level vs stepped premium cost over 30 years (illustrative). The stepped premium starts lower but rises with age; the level premium stays flat. The marked crossover age is where the cumulative cost flips in favour of level. Source: illustrative model based on NZ insurer premium structures — actual figures depend on age, cover type, term and insurer. Projections are illustrations, not predictions, and actual results will differ.

What is the crossover age and how do you find it?

The crossover age — sometimes called the break-even point — is the age at which the total amount you have paid under a stepped premium overtakes the total you would have paid under level for the same cover. Before crossover, stepped has cost you less overall. After crossover, level is ahead and pulls further ahead each year ⁸.

In New Zealand, the crossover typically falls somewhere between age 55 and 65, but it is not a fixed number ⁸. It moves with:

• Your entry age. Locking in level cover younger usually brings the crossover earlier and makes level more likely to pay off, because you secure a lower flat rate and hold it for longer.
• The term and cover type. Life, trauma and income cover price differently, and the level period (to 65 or to 80) changes the runway ⁶.
• Indexation. Inflation-adjusting the cover changes both lines, as the next section explains.
• The insurer. Pricing differs across providers — Partners Life, AIA, Fidelity Life, Asteron Life, Chubb Life and Cigna among the main NZ risk insurers — so the same person can have a different crossover with each.

You cannot reliably eyeball the crossover from the first-year prices, because the stepped line is a curve, not a straight slope. Finding it means projecting both premiums year by year to the age you realistically expect to hold the cover, then comparing the cumulative totals — the kind of like-for-like modelling an adviser runs across several insurers.

What are the risks of level premiums (and when stepped wins)?

Level is not a free win, and it is worth setting the downsides out plainly.

• You pay more for years up front. If your need turns out to be short-term, you may cancel before the crossover and never recover the early premium difference. The lower-cost path would have been stepped.
• Your circumstances can change. Cover needs shift with mortgages, children, business and health. If a level policy no longer fits and you restructure or cancel before crossover, the early premium has not paid off.
• Affordability cuts both ways. A higher starting premium is harder to fit into a tight budget today — and the most common reason cover lapses is cost ¹. A level policy you cancel in year three because it was too dear from the start protects no one.
• It is fixed in nominal terms only. Without indexation, the flat premium buys cover whose real value erodes with inflation over a long term ⁶.

Stepped, conversely, tends to win when the need is genuinely temporary — a fixed-term debt, a defined gap, or cover you expect to reduce within a few years — or where keeping the premium low today is what makes having any cover possible. Many people use stepped early and review later, rather than committing to a 30-year level rate while their situation is still changing.

Neither structure is universally better. It depends on how long you will hold the cover, how settled your needs are, and what you can comfortably afford now and later. Working through old policies that no longer fit is its own task — our guide on reviewing an old life insurance policy covers what to check.

How does this interact with inflation-adjusted cover?

Indexation — inflation-adjusted cover — lifts your sum insured each year so the cover keeps pace with rising costs. It interacts very differently with the two premium structures.

On stepped cover, indexation compounds the cost sharply, because two things rise at once: your age (which lifts the rate) and your sum insured (which lifts it again). The two stack, so an indexed stepped premium climbs a good deal faster than stepped on a fixed sum insured ¹⁰.

On level cover, indexation increases the cover amount without changing the underlying level rate on the original sum insured. Each annual top-up is added at your current age's rate, but the bulk of the cover keeps its locked-in level pricing, so the compounding is far gentler than on stepped ¹⁰.

Most people do want cover that keeps pace with inflation — a flat sum insured quietly protects less each year. This interaction is a real part of the lifetime-cost picture, and easy to miss if you only compare first-year prices.

Figure: How indexation interacts with each premium structure. Source: Smiths Financial summary of NZ insurer premium structures; general structure, not a quote.

How an adviser models the two over your real time horizon

The first-year price is the easy thing to compare and the least useful on its own. The work is projecting both structures across the years you will actually hold the cover.

In practice, modelling means estimating how long each slice of cover is needed; projecting stepped and level premiums to that age for the same cover on each insurer's pricing; finding where the cumulative totals cross; layering in indexation so the comparison reflects cover that keeps its value; and weighing affordability now and later, not just at the start. Sometimes the answer is a blend — level on the long-term cover and stepped on a shorter-term tranche — rather than one structure for everything. There is more in our guides on how an adviser structures life cover and how advisers compare insurers.

We're generally paid by commission from the insurer when you take out a policy through us; this doesn't change the premium you pay, and any conflicts of interest are managed in line with our duty to prioritise your interests — full details are in our disclosure. The aim of a review is not to push you toward the dearer level option or the cheaper stepped one; it is to model both over your real timeframe so the choice is yours and informed.

Frequently asked questions

Are stepped or level premiums cheaper in NZ?

It depends on the timeframe. Stepped premiums are cheaper at the start and for the early years; level premiums are higher at first but stay flat. Over a long term, level usually works out cheaper if you hold the cover past the crossover point — typically somewhere between age 55 and 65 ⁸. For shorter-term needs, stepped is often the lower lifetime cost.

Why does my stepped life insurance premium go up every year?

Because stepped premiums are recalculated each year on your current age, and the statistical likelihood of a claim rises as you get older ⁵. The increases are not flat — indicatively around 2–15% a year depending on your age band, getting steepest from the mid-40s onward ⁹.

What is the crossover age for level vs stepped premiums?

The crossover age is the point where the total you have paid under stepped overtakes the total under level for the same cover. In New Zealand it typically falls between age 55 and 65, but the exact age depends on your entry age, the term, the cover type and the insurer ⁸. Finding yours means projecting both premiums to the age you expect to hold the cover.

Does level cover stay level forever?

Usually not. Most level cover in New Zealand stays level until age 65 or 80 depending on the insurer, after which it typically converts to stepped premiums or the policy ends ⁶. Increasing your sum insured or turning on indexation can also lift a level premium ⁶.

How does indexation affect my premiums?

Indexation lifts your sum insured each year to keep pace with inflation. On stepped cover that compounds the cost sharply, because both your age and your cover amount rise together. On level cover the underlying level rate is unchanged, so indexation increases the cover with a much gentler effect on the premium ¹⁰.

Should I choose level or stepped premiums?

That depends on how long you will hold the cover, how settled your needs are, and what you can afford now and later — so there is no single right answer. This is general information, not personalised advice. To work out which fits your timeframe, book a review and we'll model both over your real situation.

This article is general information only and is not personalised financial advice. It does not take into account your particular financial situation, goals or needs. Before acting, consider whether it's right for you and seek advice tailored to your circumstances. Whether a claim is paid depends on the terms, conditions, exclusions, stand-down periods and underwriting of the specific policy, and on your disclosure — always read the policy wording. Projections are illustrations based on stated assumptions, are not predictions, and actual results will differ. Craig Smith Business Services Ltd (FSP712931), trading as Smiths Financial, holds a Class 2 licence issued by the Financial Markets Authority and is a member of the Financial Dispute Resolution Service (FDRS). Written by Henry Smith, Financial Adviser; reviewed by Craig Smith, Principal Adviser. Last reviewed 1 July 2025.