You seem to completely miss the point. You can compare any risk to any other. It's not the nature of the risk that is most important, it's the level of threat that matters. People have been doing that since the dawn of time. We assess risk and put our resources into dealing with the ones that are greatest. 

The risk of terrorism is sensationalized by all the actors: our government, our media, and of course the terrorists themselves. They're playing you. But the actual risk is minute across most of the world, and no where more so than in Canada.

Yes, Islamist terrorists have killed a couple of hundred people in Europe over the last 20 years. Europe's population is about 700 million. Even if the death toll was 200 people per year, the relative risk is still minute.