Source: Statistics Canada, Canadian Community Health Survey, 2013-2014

Despite growing awareness of the benefits of protecting one's noggin--not to mention provincial laws that mandate it in certain circumstances--almost 2 out of every 5 Canadians (39%) have never worn a helmet while riding their bike.

While there isn't much of a pattern in this proportion geographically within Canada, the rate does demonstrate significant variance, from a high of 81% in Nunavut to a low of 16% in British Columbia.