Is it illegal to not wear a helmet on a bike?

Is it illegal to not wear a helmet on a bike?

Modern cycle helmets are very light, comfortable and easy to wear. The chances of a bike helmet saving your life, or at least reducing the severity of an injury, are high enough to make it worth wearing one. So do you have to wear a bike helmet? You are not required to wear a bike helmet by law. Mar 16, 2021