July 3, 2007 - The American Motorcyclist Association praised the motorcycle industry for committing $2.8 million to make a new study into the causes of motorcycle crashes a reality.That industry money will be used as matching funding for a federal grant previously approved by Congress.(5.6 million total)
If you want the U.S. stats there is a 63 page pdf available.
But I'll give you the condensed version.
In 2002 out of 5 004 156 million registered motorcycles 3270 fatalities
in 2003 out of 5 370 035 million registered motorcycles 3714 fatalities
in 2004 out of 5 780 870 million registered motorcycles 4008 fatalitites.
as few as possible
There are lots of motorcycle incidents a year around 60 million die a year!
The state with the most motorcycle crashes is California. However, Florida has the second most.
Combination of factors
In what country, in what time period are the two obvious elements you left out of your question.
There have been over millions of car crashes since they were invented
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.
Yes, until the motorcycle crashes or stops and as fast as is necessary.
Billions. Maybe trillions. There have been tons of car crashes, it's hard to avoid hearing about them.
100
100