what percent of all deaths in the us were by gun?
In 2010, 67% of all homicides in the U.S. were committed using a firearm. In 2012, there were 8,855 total firearm-related homicides in the US, with 6,371 of those attributed to handguns. In 2012, 64% of all gun-related deaths in the U.S. were suicides.