The world is experiencing a period of unprecedented demographic change. For the first time in human history, marked disparities in age structures exist across the globe. Around 40 percent of the world ...

Source: BlacknoseDace/Wikimedia Commons, CC BY-SA 4.0 It seems we are surrounded by a generation of singles. Therapy sessions, workshops, and the psychology literature are fixated on the ultimate ...

This paper provides an empirical test of the child quantity–quality (QQ) trade-off predicted by unified growth theory. Using individual census returns from the 1911 Irish census, we examine whether ...

AS BIRTH ANNOUNCEMENTS go, it was momentous. On November 24th India’s government declared that the country’s fertility rate had dropped to 2.0 children per woman. That is below the replacement rate—at ...