Switzerland’s health insurance premiums are projected to rise by an average of 4.5% to 5% in 2027, as analyzed by comparison platform bonus.ch. Despite insurers bolstering their reserves, the persistent increase in healthcare costs continues to exert pressure on these premiums. In 2026, premiums saw an average rise of 4.4%, with expectations for another significant adjustment next year. Under more favorable conditions, the average increase might be limited to between 3.5% and 4%, but unanticipated healthcare expenditures or new outpatient tariffs could push the increase beyond 5%.
Policyholders could face varying premium hikes based on factors such as insurer, canton, region, age, deductible, and insurance model. Some premiums could increase by over 10%, with potential hikes reaching up to 20% in specific scenarios. While extreme changes in tariff structures could lead to even larger adjustments, bonus.ch considers such cases atypical for the overall market. The ongoing rise in healthcare costs, particularly through Switzerland’s mandatory insurance system, remains a primary factor behind these anticipated premium hikes.
In the second quarter of 2026, mandatory health insurance costs edged up by 0.4% from the previous year, following a 2.9% increase in the first quarter. The average annual cost per insured individual reached CHF 4,834, CHF 21 more than the previous year. However, these figures might not fully capture actual spending due to delays in outpatient billing linked to a new flat-rate tariff system, which temporarily reduced recorded costs. As pending invoices are cleared, recorded costs could rise, complicating the interpretation of recent slowdowns as sustained reductions in healthcare spending.
Healthcare spending trends also vary across Switzerland’s cantons, with the second quarter of 2026 showing a 9.6% increase in Schaffhausen, contrasting with an 8.7% decline in Zug. Glarus, Graubünden, Jura, and Zurich reported above-average increases, while Solothurn, Basel-Stadt, Bern, Thurgau, and Geneva saw lower costs compared to the previous year. Projections from the KOF Swiss Economic Institute at ETH Zurich suggest healthcare costs per insured person will rise by 4.5% in 2026 and another 4% in 2027, pushing average costs from CHF 4,968 in 2025 to nearly CHF 5,400 by 2027.
Insurers are facing additional financial challenges, with estimates indicating healthcare costs could increase by slightly over 5% in 2026. The Federal Office of Public Health notes a potential catch-up effect when calculating premiums for 2027, as the estimated combined ratio for 2026 nears 101%, suggesting premiums might not fully cover expenses. While Swiss insurers have improved their financial standing, amassing a combined surplus of nearly CHF 569 million in 2025 and reserves reaching about CHF 8.6 billion, bonus.ch argues that these reserves cannot indefinitely offset the annual 4% to 5% growth in healthcare spending. Reserve levels vary among insurers, with significant declines since 2020, highlighting the complex balance between maintaining adequate financial buffers and managing premium policy.
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