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Tag archives: applied physics

Applied physics and Japan’s ageing population

Satoshi Kawata from Osaka University

Keeping giong: Satoshi Kawata from Osaka University remains active despite having just officially retired. (Courtesy: Matin Durrani)

By Matin Durrani in Osaka, Japan

By most measures, Japan is one of the wealthiest nations in the world. Depending on which criterion you use, it’s either the third or fourth biggest economy on the planet. Much of that success is built on the country’s prowess in science and technology, which have supported numerous hi-tech giants of the corporate world.

Still, not everything is rosy in the Japanese garden. After the post-war boom years, the economy began to slump in the early 1990s and has picked up only slowly since then. To make matters worse, Japan has also had to contend with rising social-security costs to support an ageing population. Plummeting birth rates and steadily rising death ages mean that Japan’s population has fallen by just over 1% since 2010 to 126 million.

I was thinking about such matters yesterday as I walked through a shopping mall in central Osaka on my way to meet applied physicist Satoshi Kawata from the University of Osaka. Okay, it was a weekday lunchtime and this is just one data point, but there sure were lots of pensioners out shopping. I was also surprised to see a guy selling The Big Issue – the magazine that supports homeless people who want to make a living. I’d not seen any inkling of poverty in the country up to that point.


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