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How do you square that opinion with the observation that some of the places with the loosest gun regulations (Oregon, Idaho) also have some of the lowest homicide rates?Eye-balling this 2015 chart, there seems like there's a pretty good correlation between per capita ownership and per capita deaths (homicide+suicide):
* https://www.motherjones.com/wp-content/uploads/gun-ownership...
* https://www.motherjones.com/politics/2015/07/gun-owners-stud...
The main outliers appear to be MA and HI, the former of which has some pretty strict rules (very similar to Canada's):
* https://www.vox.com/2018/11/13/17658028/massachusetts-gun-co...
RAND did a (meta-)analysis and found that some policies are more effective than others, specifically: safe storage, waiting periods, background checks, domestic violence history restrictions:
* https://www.rand.org/research/gun-policy.html
Stand-your-ground laws seem to lead to not-good things happening (nothing about castle doctrine though).
Good laws / regulations can counter high numbers though, it appears. Canada has one of the highest per capita ownership rates, and yet has quite low firearm-related death rate (lower than Finland, the Swiss, France, Austria):
* https://en.wikipedia.org/wiki/Estimated_number_of_civilian_g...
* https://en.wikipedia.org/wiki/List_of_countries_by_firearm-r...