Analysis

Southern Cross Has Published No 2026 Premium Increase. It Has Published Everything Around One

Source: Southern Cross Medical Care Society Group, Annual Report Summary 2025

There is no announced Southern Cross premium rise for 2026, because no New Zealand health insurer announces one. What the Society does publish is the machinery behind your renewal: age-rating to 75, your age band's claims experience, and two years of reserves spent holding increases down.

By Henry Smith · Premiums · 2026-09-08

What this means for you If you hold Southern Cross health cover, your renewal price is rebuilt each year from your own age until you turn 75, then from the pooled claims of everyone 75 and over, plus what healthcare providers charged that year. Nobody publishes a single percentage that applies to you, and no regulator approves one. The Society's own accounts say it spent reserves for two years to hold increases below what claims cost, and that it is now targeting a surplus, which means the shelter behind recent renewals is the thing being wound back.

Written by Henry Smith · Reviewed by Smiths Insurance & KiwiSaver, licensed Financial Advice Provider (FSP712931)

If you search for the Southern Cross premium increase for 2026 you will not find a number, and that is not an oversight. New Zealand health insurers do not announce an annual premium increase. There is no industry round, no published average, and no regulator that signs one off. You find out what happened to your price on your own renewal notice, on your own policy anniversary, and the figure is yours alone.

What Southern Cross does publish is unusually detailed for this market: the exact rule that decides whether your price follows your age or a pool, the two inputs that move it, the four discounts that can come off it, and a set of accounts that says plainly why the last two rounds were larger than usual. This piece is about that published material, read on 8 September 2026, and about the one thing it cannot tell you.

What the Society has published, and what it has not

Southern Cross publishes the mechanism and the pressure on it, but never a headline percentage. Its member pages set out how a premium is built and what discounts exist; its annual report sets out what claims did to the price; its newsroom carries no premium announcement at all.

The mechanism. The renewal page states that "your policy renews each year on your policy anniversary date" and that "your premium usually changes at this time" (Southern Cross, policy renewal, read 8 September 2026).
The pressure. The FY25 annual report summary says medical inflation "is currently running at approximately 15% per annum", sourced there to the Aon 2025 Global Medical Trend Rates report (Southern Cross Medical Care Society Group, Annual Report Summary 2025, read 8 September 2026).
The silence. Southern Cross's own 2026 news index lists eight releases between 12 February and 6 August 2026, on a chief executive change, a chief financial officer appointment, nursing scholarships, a trusted-brand award, a mind-health programme and a public-health campaign. None of them is about premiums (Southern Cross news, 2026, read 8 September 2026).

The FY26 year ended on 30 June 2026. The equivalent FY25 results were published on 30 September 2025, so the next set of audited numbers is due around the end of this month and is not out yet.

How the price on your renewal is actually built

Southern Cross prices an individual member on their own age until they turn 75, and on a shared pool after that. The Society set this out when it began moving the switchover point from 65 to 75 in 2016, and the phase-in finishes this year.

"rather than moving to common rating at 65, you will now be age-rated (ie your premium will be based on your individual age at the time of each annual renewal) until you turn 75. When you turn 75 you will be common rated, meaning your premium will no longer increase with age, rather it is based on the claims experience of all members aged 75 and over."

Southern Cross, premium structure change FAQs, read 8 September 2026

The same page says the change "is effective from 1 November 2016" and that "each year for the next 10 years the common rating age will increase by one year, so that by 2026 the common rating age will begin at 75". Ten years from November 2016 lands in November 2026, which makes this the year the transition completes.

Two inputs then move the number. The first is what the Society calls claims experience, which it defines as "the overall value of claims for people within your age band". The second is "rising healthcare costs (ie the amount charged by healthcare providers to provide treatment and medical services)". Both quotes are from the same FAQ page.

That is why two members the same age on the same plan can see different renewals from two different insurers, and why a year in which you personally claimed nothing can still produce an increase. You are priced with your age band, not on your own file.

Why the last two rounds were bigger than usual

The Society's own accounts say the increases of the past two years were above its historic pattern, and say why. This is the most useful published material on the subject, because it is the insurer describing its own pricing pressure in a document it has to stand behind.

The FY25 annual report summary states: "the significant rise in claims costs over the past 24 months has necessitated annual premium increases above historic levels" (Annual Report Summary 2025, page 9, read 8 September 2026). The Chair's message in the same document says the Board "made the conscious decision over the last two years to utilise our reserves to absorb some of the increased cost of claims on behalf of members, rather than passing the full impact on via even higher annual premium increases", and that the Society "has used its reserves in this way eight times over the last 25 years".

The scale is in the same report. All of the following are as published by Southern Cross for the year to 30 June 2025:

What the report says	The figure
Claims paid	3.8 million claims, up 16% on FY24
Value of claims paid	Up 14% on FY24
Share of premiums returned to members as claims	More than 94%, described as the highest in more than a decade
Stated market average return	76%
Health Insurance result	A $56.9 million deficit, a $42.2 million improvement on FY24 (Annual Report Summary 2025, page 4)
Group reserves (net assets)	$418.9 million (Annual Report Summary 2025, page 10)
Net membership at year end	951,808, down 3,493
Members who added or increased an excess to keep cover	17,772

Every figure above is from the Southern Cross Medical Care Society Group Annual Report Summary 2025, read 8 September 2026.

The forward-looking line matters more than any of them. The chief executive's message says that "while our focus over the past two years has been to keep the level of premium increases as low as we can, accepting a deficit in the short term, it is necessary for Society to target a surplus in the coming years to ensure we maintain sufficient capital reserves" (same report, page 4).

Read that plainly and it says the reserves that softened the last two renewal rounds are being wound back on purpose. A member cannot know what that is worth in percentage terms, because the percentage is not published. What a member can know is the direction, and that it comes from the Society itself rather than from anyone's guess.

What a member can actually do about it

Four things reduce a Southern Cross premium and all four are published on the Society's own member discounts page. Two are automatic if you qualify, one depends on how you pay, and one depends on your household. None of them requires you to cancel anything.

Discount	What Southern Cross publishes
Direct Debit Discount	"If you pay by direct debit and your policy is not part of a work scheme, you will be entitled to a 2.5% discount on your premium." Applied before any other discount.
Healthy Lifestyle Reward	"You may be entitled to a 10% discount on your premium for up to 2 years from the date you've joined if at the time of joining: you're 21 years of age or over (and you're not on child rates), and your policy is not part of a subsidised work scheme, and you meet the healthy lifestyle criteria."
Low Claims Discount	"You may be entitled to a 5% or 10% discount on your premium for up to 12 months" where you are 21 or over, not in a subsidised work scheme, have two or more years of continuous cover, and your previous two years of claiming totals $1,000 or less.
Free Child Discount	Where more than two children under 21 are on an eligible plan, "you'll only need to pay for the first two children, and any third and subsequent children on the policy will be included at no additional charge."

All four quoted from Southern Cross, member discounts and offers, read 8 September 2026. The same page states these discounts are not available on certain plans and upgrades, and lists Critical Illness, Cancer Assist, HealthEssentials and Cancer Cover Plus among the exclusions.

Beyond the discounts, the Society names two levers on the policy itself: changing the plan, and adding or increasing an excess. Its own count of 17,772 members who took the excess route in FY25 is the clearest evidence in the report of what people reach for when a renewal lands badly.

There is an order to these that is worth knowing. Lifting an excess and trimming a plan both keep the health history your insurer has already accepted. Cancelling hands it back, and anything a doctor finds while you are uninsured can be treated as a pre-existing condition on the next policy. Our guide to health insurance excesses covers that trade-off, and health insurance cost by age covers the age-rating half of the problem.

If you are weighing Southern Cross against the alternatives rather than adjusting what you already hold, our Southern Cross health insurance review sets out the plan range and the claims process, and our health insurance page covers how the market is structured.

What couldn't we check?

Quite a lot, and the gaps are the point of this piece rather than a footnote to it.

We could not find a Southern Cross premium increase percentage for 2026, or for any other year, published by the Society. We looked at its 2026 news index, its member renewal pages and its premium structure FAQs, all read on 8 September 2026. Its absence is not evidence that an internal figure does not exist; it is evidence that no such figure is announced publicly, which is the market norm here and not specific to Southern Cross.

We have not seen the FY26 annual report. Everything financial in this piece is FY25, the year to 30 June 2025, published 30 September 2025. The FY26 numbers were not available when we wrote this and may change the picture materially, particularly on whether the targeted surplus was achieved.

The FY25 report gives two slightly different counts of the members who added or increased an excess: 17,775 on page 4 and 17,772 on page 9. We have used the figure from the financial performance section and cannot reconcile the difference.

The 15% medical inflation figure is not Southern Cross's own measurement. The report attributes it to the Aon 2025 Global Medical Trend Rates report, which we did not read. The 76% market average return is likewise the Society's characterisation of the rest of the sector, not an independently published sector figure, and the Society is a participant in that comparison.

We have not spoken to Southern Cross. Everything here comes from documents it has published for members and the public, read on the date stated. Nothing in this piece is a criticism of the Society's pricing, which we are in no position to assess. It is a description of what a member can and cannot find out from the outside.

What this means for your cover

What moves a renewal price, and what a review can and cannot change about it. Health insurance in New Zealand

Sources

Every source below was read and checked on 21 August 2026.

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