Motorcycle helmets are one of the most important pieces of safety equipment for motorcyclists. Helmets can help reduce the severity of head injuries and even the likelihood of death. Yet as of July, 2012 only 22 states require helmet use for everyone. This comprehensive table lists laws regarding motorcycle helmets in all 50 states and Washington D.C. The table includes which states have specific motorcycle helmet laws, the specification of these laws and the potential punishment for not following the law.