The foundation of the new policy, known as the “National Policy for Senior Citizens 2011†is based on several factors. These include the demographic explosion among the elderly, the changing economy and social milieu, advancement in medical research, science and technology and high...

Mortality rates have fallen dramatically over time, starting in a few countries in the 18th century, and continuing to fall today. In just the past century, life expectancy has increased by over 30 years. At the same time, mortality rates remain much higher in poor countries, with a difference...

This essay reviews important demographic trends expected to occur between 2010 and 2050, indicates some of their implications for economic and global development, and suggests some possible policies to respond to these trends and implications. The century from 1950 to 2050 will have witnessed...

In this paper regional variation in suitability for cultivating potatoes, together with time variation arising from their introduction to the Old World from the Americas is being exploited, to estimate the impact of potatoes on Old World population and urbanization. Their results show that the...