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Causes of outside fires (2021)
2021 National Fire Protection Association estimate of outside fires: 578,500
39.9% | Unintentional | |
26.4% | Cause undetermined after investigation | |
21.8% | Intentional | |
4.8% | Cause under investigation | |
3.6% | Act of nature | |
3.2% | Failure of equipment or heat source | |
0.3% | Exposure |
Causes of vehicle fires (2021)
2021 National Fire Protection Association estimate of vehicle fires: 208,500
42.1% | Unintentional | |
21.6% | Cause undetermined after investigation | |
19.1% | Failure of equipment or heat source | |
10.4% | Cause under investigation | |
4.6% | Intentional | |
1.9% | Exposure | |
0.3% | Act of nature |
See also: Reports on where fires occur