In 1986, two Dutch researchers advanced a provocative hypothesis: many societies were undergoing a “Second Demographic Transition” that would lead to durably low birth rates and high degrees of ...

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 ...

There is a major demographic transition in U.S. births, according to a research letter published online in JAMA Network Open. Amos Grünebaum, M.D., and Frank A. Chervenak, M.D., from Northwell Health ...

On November 15, the world population officially surpassed 8 billion people, according to United Nations estimates. The milestone was reached just 12 years after the world marked 7 billion people, and ...

Historical populations have generally experienced a protracted phase of high mortality and high fertility, often referred to as the pre-transition era, followed by a dramatic decline in death rates ...