47% of crashes are associated with the highest risk 10% of drivers
Number of the week: the highest risk 10% of drivers accounted for 47% of crashes in Samsara's Compounding Risk Report.

The proportion of crashes associated with the highest risk 10% of drivers in Samsara's research.
And:
76%
The proportion associated with the highest risk 30%.
Those numbers point towards a different philosophy for fleet safety.
Do not treat every driver and every alert equally.
Identify where risk is concentrating.
Then intervene.
Sources
This story first appeared in The Fleet Brief Issue 003, published 16 September 2026.