While this is true for firearms in the US as well, it's not clear if that's only the case because of suicides (the vast majority of firearm deaths in the USA are suicides).
Guns account for 50 percent of all suicides on average, and there's only 45k suicides to the 75k gun related deaths. Quick maths says it's not even a "vast" majority for suicides let alone a third of total gun deaths.
Now, I am not anti-gun, I think there is definitely very good and significant reasons to carry nowadays. But I will say I am super against the sheer amount of BAD reasons to use a gun. Don't exist in hypotheticals where every person walks around with a raw intent to kill. The intent to kill is extremely rare and frankly the people you're going to encounter most often who do have it are cops, so that's up to you if you want to pull on a cop to defend yourself. To imagine home invaders who want to do harm or "bad guys" is fictional and BLATANTLY unrealistic. "Stopping threats" is so demonstrably rare that to think of gun use in those terms is entirely wrong.
Basically, if you're going to have a gun, ground yourself in the reality. Note when specifically you will be much more likely to need to defend yourself from violence and then decide if in those situations having a gun would be something you're okay with (read: shooting a cop).