Super rare is untrue. Rare would even be a stretch. I live in Copenhagen and use a helmet. I would claim it is common to use a helmet. Not everyone - but many d

Super rare is untrue. Rare would even be a stretch. I live in Copenhagen and use a helmet. I would claim it is common to use a helmet. Not everyone - but many do. And it is not even mandatory. Helmet usage is actually increasing: https://www.sciencedirect.com/science/article/abs/pii/S0022437523001329 https://www.sciencedirect.com/science/article/abs/pii/S00224... We recommend it for tourists as well. Though it is rare with helmets for that group who might need it the most: https://www.visitcopenhagen.com/sites/visitcopenhagen.com/files/2024-07/How%20to%20cycle%20in%20Denmark.pdf https://www.visitcopenhagen.com/sites/visitcopenhagen.com/fi... Helmets are not compulsory and interest groups works to keep it that way: https://www.cyklistforbundet.dk/english/use-of-helmet https://www.cyklistforbundet.dk/english/use-of-helmet But less scary F150s and good bike infrastructure, yes.