A new study places the origin of the Imazighen in the Epipaleolithic, more than twenty thousand years ago. The research concludes that the genetic origin of the current Arab population of north Africa ...

Ospina for Our World in Data This chart tracks the UN’s latest demographic projections for four large populations: India, ...

Ballou, Jonathan D. and Seidensticker, John. 1987. "Genetic and demographic characteristics of the 1983 captive population of Sumatran tigers (Panthera tigris sumatrae)." In Tigers of the World: The ...

One-in-five U.S. adults ages 50 and older have never had children, according to Pew Research Center analysis of government data. 5 Not having children is more common among adults in their 50s and 60s ...

Healthy longevity means a state of good physical, cognitive, and social functioning throughout a person's lifespan. There is an opportunity to leverage population aging for health, societal, and ...

Next year is the last year that Europe's population is set to grow, as it is expected to start declining in 2026, with just one in 25 people living in the EU by the turn of the century, statisticians ...