Despite the Headlines, Steven Pinker Says the World Is Becoming Less Violent

Keep in mind that this book was published 7 years ago, using data from 13 years ago. That does not mean that it is untrue, just that the statistics may no longer be as relevant or timely. (A bit more recent, from the same author: https://twitter.com/sapinker/status/1559195349092376577 )

Mm certain kinds of violence would now escalate into nuclear war in a way that was impossible before, leading to survivorship bias given that someone is left to ask the question.

(2016)