The economic toll
Heat doesn't just kill. It bills.
Europe loses €50-80 billion a year, 0.3-0.5% of GDP, to heatwave productivity loss. This is the half that makes serious people share it.
Heat deaths across Europe, summer 2026
13,753
Public data · ISGlobal, Nature Medicine 2025
Economic loss across Europe, summer 2026
€14,704,517,083
Public data · European Parliament, Allianz Trade
3%
labour-productivity lost per °C above 30°C (Allianz Trade)
~13%
drop in cognitive performance in high heat
5-7%
cumulative GDP loss by 2030 in the most-exposed nations (Allianz Trade)
The rankings
Projected GDP loss, 2026-2030.
Cumulative 5-year GDP loss (USD) in Europe's most-exposed economies, Allianz Trade, Too hot to grow (2026).
| Country | AC adoption | Projected GDP loss 2026-2030 |
|---|---|---|
| 🇫🇷 France | 25% | $240B |
| 🇮🇹 Italy | 56% | $147B |
| 🇩🇪 Germany | 19% | $131B |
| 🇪🇸 Spain | 41% | $120B |
United Kingdom figure not yet sourced, see methodology.
The viral comparison. Allianz frames the 2025 heatwave's GDP hit as roughly
"half a day of strikes for every day above 32°C." A country can survive a strike. It
keeps scheduling these.