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Outside and Vehicle Fire Causes

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Causes of outside fires (2023)

2023 National Fire Protection Association estimate of outside fires: 620,000

Causes of outside fires (2023)
39.8%
Unintentional
25.6%
Cause undetermined after investigation
22.4%
Intentional
5.0%
Cause under investigation
3.9%
Act of nature
3.1%
Failure of equipment or heat source
0.3%
Exposure

Unknowns apportioned. | Source: National Fire Incident Reporting System.

Causes of vehicle fires (2023)

2023 National Fire Protection Association estimate of vehicle fires: 210,500

Causes of vehicle fires (2023)
42.7%
Unintentional
22.2%
Cause undetermined after investigation
18.1%
Failure of equipment or heat source
10.6%
Cause under investigation
4.2%
Intentional
1.9%
Exposure
0.4%
Act of nature

Unknowns apportioned. | Source: National Fire Incident Reporting System.