The frequency of such accidents can vary depending on various factors, including the region, local laws, enforcement, and other variables.
Helmets, in particular, are widely recognized as a crucial safety measure that can save lives and prevent serious head injuries.
To obtain the most up-to-date and accurate information regarding motorcycle accidents and the impact of protective gear, I recommend consulting reputable sources such as government agencies, transportation safety organizations, or research institutes that specialize in motorcycle safety. They can provide you with comprehensive and reliable data on the subject.