This difference can be due to driving motorbikes, Vietnam has few cars. According to http://www.iii.org/issue-update/motorcycle-crashes http://www.iii.org/issue

This difference can be due to driving motorbikes, Vietnam has few cars. According to http://www.iii.org/issue-update/motorcycle-crashes http://www.iii.org/issue-update/motorcycle-crashes in 2013, motorcyclists were about 26 times more likely than passenger car occupants to die in a crash per vehicle mile traveled and five times more likely to be injured.