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

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In contrast, the populatiom under 15 is expectecd to increase by only 6 percent during thesame period, from 1.83 billionb to 1.93 billion. The Censuws Bureau said that in the United Statess those 65 and older will more than double by rising from 39 million toda to89 million. While children are projected to still outnumber the oldere population worldwide in the under 15 population in the United States is expected to fall below the older population bythat date, increasinhg from 62 million today to 85 million. Thesr figures come from the world population estimates and projectionas released today through theCensus Bureau'd International Data Base.
This latest update includes projections by age, including people 100 and older, for 227 countriess and areas. Less than 8 percentr of the world's population is 65 and By 2030, the world's population 65 and oldee is expected to reach 12 andby 2050, that share is expected to grow to 16 "This shift in the age structure of the world'sa population poses challenges to families, businesses, health care providers and policymakers to meet the needd of aging individuals," said Wan He, demographer in the Censues Bureau's Population Division.
Europe likelh will continue to be the oldest regiob inthe world: by 2050, 29 percent of its tota l population is projected to be 65 and On the other hand, sub-Saharan Africa is expected to remain the youngest region as a result of relativelyu higher fertility and, in some nations, the impact of HIV/AIDS. Only 5 percentg of Africa's population is projected to be 65 and olderin 2050. Countriea experiencing relatively rapid declines in fertility combined with longer life spanes will face increasinglyolder populations. These countries will see the highesy growth rates in their older populationd over the next40 years.
There are four countrieas with 20 percent or more of their populatio n 65and older: Germany, Italy, Japan and By 2030, 55 countries are expected to have at leasty one-in-five of their total populationj in this age category; by the number of countriezs could rise to more than 100. Althougb China and India are the world's most populouxs countries, their older populations do not representy large percentages of their totalpopulationse today. However, these countries do have the largest numbefr of olderpeople -- 109 milliojn and 62 million, respectively.
Both countries are projectedr to undergo morerapid aging, and by will have about 350 million and 240 million people 65 and older,