Rating agency S&P has highlighted the financial risks that rising temperatures across Europe pose to insurance sector earnings, citing growing claims related to heat-related mortality and deteriorating health conditions. The agency noted that while extreme heat typically generates property damage claims from droughts and wildfires, the broader impact extends to life insurance and health insurance providers, as well as reinsurers who backstop the insurance industry.
The convergence of prolonged heatwaves with Europe’s aging demographic profile has created significant challenges for insurers. Data shows the proportion of Europeans aged 65 and over increased from 16.4% to 21.6% between 2004 and 2024, while those 80 and over rose from 3.8% to 6.1%. Older populations are particularly vulnerable to heat stress, with heat-related mortality disproportionately affecting this age group. During a heatwave from June 22-28, approximately 9,000 of 10,650 recorded excess deaths occurred among those 65 and older, many involving underlying conditions such as heart disease and dehydration that were exacerbated by high temperatures.
Beyond direct mortality, the health consequences of extreme heat are creating substantial financial pressures for insurers. Deteriorating health conditions, increased hospitalizations, and rising demand for medical treatments have led to higher payouts on existing policies. Research published in The Lancet Planetary Health indicates that older adults face heat-related dangers at lower temperature thresholds than previously understood, due to physiological changes including reduced sweating capacity and diminished thermoregulation.
While company credit ratings have not yet been affected, S&P indicated that ratings could face downward pressure over the medium to longer term as extreme temperatures become more frequent and intense. The financial impacts could ultimately result in higher insurance premiums for consumers, as companies seek to offset increased claim payouts and adjust pricing to reflect evolving risk profiles. S&P stated it will continue monitoring the developing situation.
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