There are between 270-300 million guns in the USA. To put this in perspective, 4% of the worlds population owns 50% of all privately owned guns in the world. Some would think this would mean that the USA should have a homicide rate over 12x (50% divided by 4%) higher than the rest of the world.
In 2012 the United Nations Office on Drugs and Crime compared intentional homicide rates for most countries in the world. USA's rate was 4.8 per 100,000 inhabitants while the worldwide average was 6.9. These figures mean you are 30% less likely to be murdered in the USA than elsewhere in the world.. The 4.8 homicide rate is not even close to 12 times higher than the rest of the world.
Your extrapolation does not follow (which you know since you couched it carefully in "some would think that..."), because it assumes that the rate of use of these firearms is always constant. When you're talking about a fetish/status symbol, practical applications become secondary.
Moreover your second extrapolation (30% less likely) does not follow either, since it assumes no other causal factors can be involved, in spite of different social mores and geography. More moreover, since you don't provide links and we're forced to accept your UN figures, "homicide" does not necessarily mean via firearm.
Sorry but this is just way too facile.
So firearms are is not the cause of death?
-Geaux