Per million registered vehicle years. The "IIHS" link on the left leads to the source report: http://www.iihs.org/iihs/topics/driver-death-rates http://www.iihs

Per million registered vehicle years. The "IIHS" link on the left leads to the source report: http://www.iihs.org/iihs/topics/driver-death-rates http://www.iihs.org/iihs/topics/driver-death-rates