Nature Health

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Published the two heat-mortality studies on October 22, 2026

Heat killed an estimated 50,391 people in 854 European cities this summer, the highest toll in the 26 years the researchers track and 71% above the previous record, set in 2022. Italy had the largest national estimate at 13,303, followed by France with 7,268, Spain with 6,824 and Germany with 6,340.

Updated Oct 23