From 1966 to 2012, nearly a third of the world's mass shootings took place in the U.S. This is according to a 2016 study that used the FBI definition of 'mass shooting' below. It surveyed 292 incidents and found 90 of them occurred in America. Put another way: While the U.S. has 5% of the world's population, it had 31% of all public mass shootings. More.
US home to nearly a third of world's mass shootings