
Prosperity has increased longevity has increased from about 30 to about 71 years worldwide, and 80 in the developed world. Literacy has increased from about 15 percent to more than 85 percent. Extreme poverty has been decimated: It’s gone from 90 percent of the world’s population to 10 percent.

Pinker: To my pleasant surprise, war is not the only scourge that has declined over the course of history. Why expand the premise of that book for “Enlightenment Now”? GAZETTE:In “The Better Angels of Our Nature,” you explored how the trend toward peace has steadily increased. His new book, “Enlightenment Now: The Case for Reason, Science, Humanism, and Progress,” picks up on that theme, exploring how other threats to human well-being have been in similar retreat.

In his 2011 book, “The Better Angels of Our Nature: Why Violence Has Declined,” Harvard psychologist Steven Pinker argued that despite common assumptions, violence has dropped dramatically from biblical times to the present.
