Percentage of top grossing US films by decade that depict killing

If it makes you feel better about the world, actual murders per capita is not significantly higher now than it was in the 1960's; I guess we've all figured out that life lessons don't come from blockbuster movies --- just fun explosions.

Then when I read the title correctly on HN, I remembered the graph going downward and thought it was weird that films were showing less killing. I clicked through and was surprised to see that the x-axis was descending chronological order.

So now that I finally get the graph, let me throw out a WAG: with the end of the military draft, the almost complete departure of workers from agriculture, and increasing safety in society, violence of any form and especially death is not a real part of most peoples' lives. It is therefore fair game for fantasy and storytelling because there is little negative emotional experience attached to it, but there is a high degree of novelty.