A new U.S. Census Bureau report projects the global population aged 65 and older will more than double by 2060.

Researchers are projecting the world’s population to peak in 2080, with more than 10.13 billion people on Earth, before the population begins to drop. New human population projections were released ...

The jump in the elderly population is a trailing effect of the growth in the 20th century. People born between 1960 and 1995 ...

Populations grow at geometric or exponential rates in the presence of unlimited resources. Geometric populations grow through pulsed reproduction (e.g., the annual reproduction of deer, which have a ...

Population ecology is the study of how populations — of plants, animals, and other organisms — change over time and space and interact with their environment. Populations are groups of organisms of ...

The world population grew by 75 million people over the past year. The human race is set to ring in the new year with a milestone: at midnight on January 1st, 2024, the world's population will ...