Tag Archives : decline in fertility rates

Those over 65 years of age will comprise 14 percent of world population, according to a study by the U.S. Census Bureau, published on July 2009. By statistical projection and extrapolation, the number of people of the age group in the world will double by 2040, from 506 million in 2008 to 1.3 billion people. In the next ten years, and for the first [...]