U.S. Civilians Estimated to Own 400 Million Guns

According to The Firearms Blog (TFB) the civilian gun ownership in the United States has reached 393.3 million, or close to 400 million guns of all types. The data is provided by the Small Arms Survey, a Swiss based research organization.

...The latest report suggests that 120 firearms are owned per 100 people in the US. By this metric the next country to hold a substantial number of guns per 100 people is Yemen, with 53 guns per 100 people. Japan and Indonesia have the lowest number of guns per 100 people, both with an average of just just 0.3 guns per 100 people.

Interestingly, the UK and Australia don't even show up on the list.