The United States hosts about 5 percent of the world's population, but has nearly half of the world's civilian-owned guns. With the population of roughly 317 million people, the United States has roughly 357 million guns,
reports the Washington Post
. One in three American households own at least one firearm.
Gun manufacturing is also big business in the United States, the world's number one arms exporter accounting for an estimated 31 percent of the global trade between 2010 and 2014,
according to the Stockholm International Peace Research Institute (SIPRI)
. The biggest recipients of U.S. arms were South Korea (9 percent), the United Arab Emirates (UAE) (8 percent) and Australia (8 percent). Between 2009 and 2013, the total output of U.S. gun manufacturers doubled, from 5.6 million guns per year to 10.9 million firearms annually.
Why So Many Assault Weapons?