There were 19,392 firearm-related suicides in the U.S. in 2010. In 2017, over half of the nation's 47,173 suicides involved a firearm. The U.S. Department of Justice reports that about 60% of all adult firearm deaths are by suicide, 61% more than deaths by homicide. One study found that military veterans used firearms in about 67% of suicides in 2014. Firearms are the most lethal method of suicide, with a lethality rate 2.6 times higher than suffocation (the second-most lethal method).