as few as possible
The state with the most motorcycle crashes is California. However, Florida has the second most.
almost 10,000 crashes occur in us in a year
there as 61 helicopter crashes
How many car crashes happen a year because of alcohol
there is about 43443 people killed by car crashes each year there is about 43443 people killed by car crashes each year
Combination of factors
there are about 1 billion CAR CRASHES in a year :)
commercial airline crashes per year
In what country, in what time period are the two obvious elements you left out of your question.
According to the NHTSA, survival rates are not very good for motorcycle crashes. According to a chart, out of 100,000 registered motorcycles, the 2004 fatality rate was 69.33.
Usually inexperienced riders and wreck less drivers who claim they did not see the motorcycle.