Move the slider bar on this visualization to see the changing shape of the Japanese population pyramid.
As you know, the age structure of a nation has profound influence to the soundness of its society and economy.
After the last war, Japan has experienced a rapid economic growth realized by the fluent overseas investiment, technological develpment and diligent workforce. Until the working age (25~65) ratio hit the peak of 70% in 1992, Japan has appearently enjoyed the merit of so-called "population bonus".
Japanese baby boomers who were born around 1948 have led outstanding new trends as for culture and society. But now, after they passed the age of 65 in 2015, their overwhelming volume boosts the aging of the society.
Actually old age polulation (equal and over 65) ratio has doubled from 1 among 10 in 1985 to 1 among 5 in 2005, and has reached 1 among 4 in 2013. It will be 1 among 3 in 2036. Moving the slider bar, you'll see the pyramid loses its shape unsoundly.
From the right above "option" button, the following functions can be set up.
Data sources for this visualization are as follows.
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