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The share of 20- to 29-year-olds and those aged 60 and above relative to Japan’s total population (1950–2010, with projections for 2020 and 2050). Sources: Statistics Bureau (http://www.stat.go.jp/data/jinsui/2.htm) and Japan Aging Research Center (http://www.jarc.net/aging/jp/06feb/060203JARC_Population.pdf). Accessed on January 20, 2011.
