) If the fertility rates in developing countries do not change, what will be the population in the developing world?
Roughly 240 million people, or 20 percent of the developed-world population, are 60 years or older. With declining birth rates and increasing longevity, this percentage will grow. By 2050, the ratio will be 1 in 3.
What is the correlation between women’s education and family size
Only about 20 percent of older Americans live in extended-family settings—a drastic change from a century ago, when roughly 70 percent lived with their grown children and extended family.