An eye-opening exploration of humanity’s unprecedented path to global depopulation and its significance from economists Dean Spears and Michael Geruso.

The world’s population has surged over the past 200 years—not due to increased fertility, but thanks to improvements in survival. Since then, our larger society has thrived like never before: scientific breakthroughs, a global economy, healthier lives, and social progress.

A significant shift is now on the ho...

NEW YORK TIMES BESTSELLER * MORE THAN ONE MILLION COPIES SOLD

“A provocative read...There are few tomes that coherently map such broad economic histories as well as Mr. Dalio’s. Perhaps more unusually, Mr. Dalio has managed to identify metrics from that history that can be applied to understand today.” —Andrew Ross Sorkin, The New York Times

From legendary investor Ray Dalio, author of the #1 New York Times bestseller Principles, who has spent half a ...