What We CoverOur ApproachClient StoriesInsightsAboutSchedule a Consultation
All insights

Why your group medical insurance renewal is more expensive every year, and what you can actually do about it

The renewal letter arrives. The premium is higher than last year. The explanation offered is "medical inflation" and it is not wrong, but it is incomplete. For Singapore employers managing group medical benefits, the real picture is more specific and more actionable than that. Here is what is actually driving the cost, why employee claims behaviour is a bigger factor than most HR teams realise, and what levers are actually worth pulling before renewal.

Group medical insurance premiums are going up. That much is clear from the renewal notices Singapore employers are receiving. What is less often explained is exactly why, and what, if anything, can be done about it.

This post examines the drivers behind rising group medical premiums in Singapore, what employers can and cannot influence, and what the renewal conversation should actually look like.

Medical inflation is real, but it is not the whole story

The renewal letter typically attributes the increase to medical inflation. That is accurate as far as it goes. Medical inflation in Singapore and across Asia has been running significantly above general consumer price inflation for several years.

Globally, medical cost trend rates have been elevated since 2020, driven by a combination of post-pandemic utilisation recovery, increasing chronic disease prevalence, and the cost of newer treatments entering the market, according to WTW's Global Medical Trends study.

Across Asia, a global employee benefits consultancy's Health Trends 2025 report found medical trend rates in Asia running at 13%, more than five times general consumer price inflation in most markets in the region.

For Singapore specifically, a combination of factors drives medical cost escalation above the regional average. Private hospital fees in Singapore are among the highest in the Asia-Pacific region. The cost of specialist consultations, surgical procedures, and inpatient care at private facilities has increased consistently. And Singapore's population is ageing, which means the workforce that employers are insuring is, on average, older than it was five years ago.

But medical inflation, while real, is not the only factor in a specific group's renewal premium. The other factors are specific to the group itself.

The group-specific drivers

Claims experience. The most direct driver of a specific group's renewal premium is its own claims history. An insurer assesses the group's loss ratio, the ratio of claims paid to premiums collected, at each renewal. A group whose loss ratio has been above the insurer's pricing threshold will see a premium increase that reflects that experience, on top of any medical inflation loading.

For small groups, a single large claim can move the loss ratio significantly. A serious illness claim for an employee undergoing cancer treatment, or a complex surgical admission, can consume a significant portion of a small group's annual premium in a single event. The renewal pricing for that group will reflect this.

Age profile movement. Group medical premiums are priced on the age profile of the insured group. As the workforce ages, the base premium increases to reflect higher statistical healthcare utilisation. A group that has not changed its headcount but whose average age has increased by two or three years since the last renewal will see a premium increase even if the loss ratio has been unremarkable.

For most Singapore SMEs, this movement is not tracked year on year. The age profile shift is absorbed into the general perception that premiums are increasing, without a clear understanding of how much of the increase reflects the changing composition of the group.

Benefit structure. The level of benefit the group holds directly determines the base premium and the claims ceiling. A group that moved to a higher ward class or expanded outpatient coverage in a prior renewal is now paying a higher base premium that reflects that decision.

What employers can actually influence

Of the drivers above, employers have direct influence over the benefit structure and indirect influence over the utilisation pattern.

Benefit structure review. The most direct lever on premium is the benefit level. A group that restructures from private ward to A class ward entitlement, or that introduces a co-payment on outpatient visits, will see a reduction in both the base premium and the claims pool. The trade-off is that the benefit becomes less generous. Whether that trade-off is appropriate depends on what the group actually uses and values.

A useful step before renewal is reviewing the actual utilisation pattern of the current benefits. If the group's claims are predominantly outpatient GP visits and the inpatient benefit is rarely used, the benefit structure may not be optimised for how the group actually behaves. A restructure that reduces unused headroom and redirects spend toward what the group uses can reduce cost without reducing experienced value.

Panel clinic communication. Outpatient claims from non-panel visits typically cost more than panel visits under most Singapore group medical arrangements. A group where employees routinely visit non-panel clinics because the panel network is not clearly communicated generates higher outpatient claims than the panel arrangement is designed to produce. Communicating the panel clearly at onboarding and at renewal reduces avoidable cost at the margin.

Co-payment introduction. A co-payment on GP visits or specialist consultations introduces a natural check on discretionary utilisation. The signal that a visit has a direct cost to the employee reduces low-value claims at the margin without materially affecting access to necessary care. Co-payments need to be communicated carefully and framed appropriately. They are a reduction in a benefit that employees have come to expect.

What the renewal conversation should look like

An employer who receives a renewal notice and simply accepts it is not engaging with the information available to them.

The claims data for the group is the foundation of the renewal quote. An employer is entitled to request the claims summary for their group, which shows total premiums collected, total claims paid, the loss ratio, and in some cases a breakdown of claims by category. This data tells the employer what is driving the renewal pricing and whether the increase reflects genuine claims experience or general market loading.

Armed with that data, the renewal conversation can address the specific drivers. If the loss ratio is elevated due to one or two large claims, the renewal discussion can address whether those claims are likely to recur and whether any restructuring of the benefit makes sense. If the loss ratio is within normal range and the increase is primarily medical inflation loading, the discussion can focus on whether the benefit level remains appropriate at the new premium.

If switching insurers is being considered, the continuity and panel implications of a switch deserve careful thought. A new insurer quoting a lower premium is pricing on assumed experience for the group. If the group's actual experience has been above average, the repricing at the first renewal with the new insurer may be significant.

You can read more about the switching question in our post on Switching Your Group Medical Insurer at Renewal.

The communication dimension

Rising premiums create a temptation to reduce benefits silently at renewal to contain cost. That approach carries a real employment relations risk. Employees who discover that their benefit has been reduced without notice, particularly when they need to use it, respond to the discovery as a breach of trust rather than a pragmatic business decision.

The more sustainable approach is transparency: communicating what is in the benefit, what has changed, and why. Employees who understand their benefits programme and who receive honest communication about changes are better placed to make their own decisions about personal insurance to complement the employer benefit.

Our post on Cancer in Younger Adults and the Employee Benefits Gap covers the personal insurance dimension that employer group medical does not address.

You can read more about our Group Medical cover on the products page and about the claims protocol in our post on The MOH Claims Protocol Every HR Manager Needs to Know.

If you are approaching a group medical renewal and would like to understand what is driving your specific premium increase and what options are available, we would be glad to work through it with you.

This article provides general information only. It is not insurance advice. Medical cost trend data sourced from WTW's Global Medical Trends study and a global employee benefits consultancy's Health Trends 2025 report for Asia. Loss ratio thresholds and renewal practices cited reflect general market practice and may vary between insurers and between individual group plans. Policy availability, terms, conditions, and exclusions vary by insurer and product, and cover is subject to the full policy wording. Please contact TZY CO for advice on your specific situation.

Wondering how this applies to your business?

Schedule a Consultationor message us on WhatsApp →
Back to all insights