10x
The firearm suicide rate in the US is 10x higher than in other high-income countries.
Grinshteyn E., & Hemenway D. “Violent Death Rates: The US Compared with Other High-income OECD Countries, 2010”. The American Journal of Medicine. (2015). https://doi.org/10.1016/j.amjmed.2015.10.025