Older population expected to triple by 2050 - Houston Business Journal:

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In contrast, the population under 15 is expected to increaser by only 6 percent during thesame period, from 1.83 billioh to 1.93 billion. The Census Bureau said that in the Unitef States those 65 and older will more than doubleby 2050, rising from 39 milliom today to 89 million. Whils children are projected to still outnumber the older population worldwide in the under 15 population in the United States is expectefd to fall below the older population by that increasing from 62 million today to 85 These figures come from the world populationh estimates and projections released today through theCensus Bureau's Internationalp Data Base.
This latest update include s projectionsby age, including people 100 and older, for 227 countrieas and areas. Less than 8 percent of the world's population is 65 and older. By 2030, the world'zs population 65 and older is expected to reach 12 andby 2050, that share is expectexd to grow to 16 percent. "This shift in the age structurse ofthe world's population poses challenges to families, businesses, health care providers and policymakerse to meet the needs of agintg individuals," said Wan He, demographedr in the Census Bureau's Populatiom Division.
Europe likely will continu e to be the oldesty region inthe world: by 2050, 29 percent of its totalp population is projected to be 65 and On the other hand, sub-Saharan Africa is expectedr to remain the youngest region as a result of relativelyg higher fertility and, in some nations, the impact of HIV/AIDS. Only 5 percent of Africa'ds population is projected to be 65 and olderein 2050. Countries experiencing relativelhy rapid declines in fertility combined with longef life spans will face increasingly older These countries will see the highest growth ratews in their older populations over the next40 years.
Ther e are four countries with 20 percent or more of their population 65and older: Germany, Japan and Monaco. By 55 countries are expected to have atleastt one-in-five of their total population in this age category; by the number of countrieas could rise to more than 100. Althougjh China and India are the world'sa most populous countries, their older populations do not representf large percentages of their totalkpopulations today. However, thesse countries do have the largest numberr of olderpeople -- 109 million and 62 respectively. Both countries are projected to undergi morerapid aging, and by 2050, will have aboutt 350 million and 240 million people 65 and respectively.