Allianz estimates summer heatwaves cut European economic output by 113 billion euros

Macroeconomic toll of extreme heat

Extreme summer temperatures reduced European economic output by an estimated 113 billion euros during the current year, according to findings published on Thursday by German insurer Allianz. The negative impact across Europe represents slightly under 0.5% of the total economic output projected for this year. Economic damage manifested primarily as production disruptions and reduced value creation across multiple sectors. These reductions stem directly from lower worker productivity, required extensions of rest breaks, and higher employee absenteeism during sustained periods of high temperatures. Among individual European nations, Italy experienced the largest drop in gross domestic product at an estimated 28 billion euros. Germany ranked second with 25 billion euros in reduced output, while France recorded the third-largest reduction at 20 billion euros.

Structure of the Climate Risk Tracker

The findings stem from the initial calculation of the Climate Risk Tracker, an analytical tool developed jointly by economists and risk specialists. The project brought together researchers from Munich-based DAX group Allianz, its Hamburg-based trade credit insurance subsidiary Allianz Trade, and the German property insurance unit. The assessment model operates by pairing collected meteorological patterns and historical insurance claim records with predictive modeling of economic disruptions. Beyond immediate labor output reductions, the insurer analyzed broader weather patterns influencing future quarters. Analysts at the firm expressed caution regarding economic projections for the upcoming year, pointing to the periodic recurrence of the El Niño weather phenomenon in the eastern Pacific Ocean and its disruptive influence on broader atmospheric conditions.

Five-year property losses in Germany

The report separated heat-related productivity slowdowns from tangible structural damages generated by severe storms, flooding, and related natural occurrences. Within Germany alone, Allianz calculated total damages from such natural disaster events at 50 billion euros across the past five years. On an annual average basis, disaster losses over this five-year span were twice as high as the yearly averages recorded during the reference period between 2000 and 2019. By contrast, global natural disaster losses over the same comparative timeframe grew at a more moderate rate of 54%. Frank Sommerfeld, head of German property insurance at Allianz, addressed the disproportionate impact observed across the domestic market.

Germany is particularly heavily affected by climate-related damage.

Warming differentials and asset concentration

Accelerated physical damage in Europe is tied directly to regional atmospheric warming, as northern latitudes have warmed faster than other global landmasses. Norway recorded the sharpest change among observed countries, with its 2025 average temperature finishing more than 3.7 degrees Celsius above its 1950–1970 baseline average. Germany and France placed in the upper-middle tier of European nations, each recording average 2025 temperatures more than 2 degrees Celsius above their respective 1950–1970 historical averages. In addition to atmospheric factors, overall financial loss totals reflect physical asset concentration. Densely populated nations with high economic output sustain larger financial losses during severe events because infrastructure, factories, residential buildings, and vehicles are concentrated within exposed areas.