In 1950, the term "population explosion" was unheard of, yet the demographic forces that would trigger runaway population growth were settling into place. Death rates in the developed world had ...

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 ...

Humankind is being buffeted by the forces of demographic change. The most prominent changes are rapid population growth in some developing economies and shifting shares of adolescents and young adults ...

An aging population and slower labor force growth affect economies in many ways—the growth of GDP slows, working-age people pay more to support the elderly, and public budgets strain under the burden ...