France confronts arson problem after devastating summer of wildfires
Experts believe one-third of wildfires in France are set deliberately, with arson the biggest single cause of forest fires last year

TL;DR
- France has seen 514 arrests for suspected arson, including 198 minors, during a summer of record wildfires.
- Experts find arson to be a mysterious crime with varied motivations, often difficult to prosecute due to destroyed evidence.
- Deliberate arson constitutes approximately one-third of wildfires in France and was the biggest single cause in 2025.
- Arson suspects are predominantly male, averaging 32.5 years old, with a significant portion under 18 and unemployed.
- Motivations for arson include conflict, financial gain, ideological conviction, psychological issues, and pyromania.
- Pyromania, an impulse-control disorder, is rare, accounting for less than 5% of deliberate fire-setters.
- Some arsonists act out of defiance or a desire to destroy property, with minors often driven by impulsiveness and immaturity.