A metafilter entry reports:
Animated population pyramids project a steady increase in the median age. England and Wales. United States. Canada. China. Japan. "The number of older persons has tripled over the last 50 years; it will more than triple again over the next 50 years." [pdf] There will be a shortage of workers to support the retired and disabled. The looming crisis has been predicted for years. Proposed solutions include robots and immigration. [previously, previously]
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