Bikes do not run faster than automobiles, so Bikes are safer than automobiles.
Automobiles are bigger, heavier, and faster than bikes. It is dangerous when a bike collides with a car. If there were few automobiles on the road, bikes would be much safer.
Some European countries forbid cars to enter the center of city in order to decrease traffic accidents. The Netherlands and Germany are famous for their bike policies which promote using a bike.
On the other hand, the Japanese government has not placed emphasis on using bikes.
Japanese transportation mainly consists of automobiles. Japan is a backward country in this respect.