The US has had 57 times as many school shootings as the other major industrialized nations combined

Updated 5:08 PM ET, Mon May 21, 2018

(CNN)School shootings are a reality in America, an average of one a week just this year alone.

But how does the US compare with other countries in the world?
That's difficult to ascertain because very little research exists to quantify that.
For the purposes of this analysis, we followed the criteria below -
The scope: First, we looked at the G7 countries -- the countries with the largest advanced economies in the world.
The countries are Canada, the US, Japan, Germany, Italy, France, the UK.
The time period: From January 1, 2009 to May 21, 2018.
The definition: The parameters we followed in this count are -
  • Shooting must involve at least one person being shot (not including the shooter)
  • Shooting must occur on school grounds
  • We included gang violence, fights and domestic violence (but our count is NOT limited to those categories)
  • We inclu