developed world. Absent an immediate and dramatic change in immigration, dependency ratios will roughly double over the next …

developed world. Absent an immediate and dramatic change in immigration, dependency ratios will roughly double over the next …

Virtually all countries in the world are experiencing an aging of their populations due to declining fertility rates …

the world. This title examines how its processes have underlain previous periods of sustained economic growth; helped to …Intro -- About the author -- Figures and tables -- Figures -- 2.1 The role of the demographic transition in world … growth, fifty-six countries, 1995-2005 -- 3.1 World population and urban growth over two millennia - the recent influence of …