According to a 2007 survey, the United States leads the world in gun ownership: 90 guns per 100 people. We are a country with five percent of the world's people and between 35 and 50 percent of its civilian-owned guns. That's something like 270 million weapons. Repeated studies have shown that the United States is far and away the leader among the world's developed countries in gun violence and gun deaths. There is no other developed country that is even close. Over... (GunPolicy.org)