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  • Created by Nishio from “National Institute of Population and Social Security Research” download population pyramid at
  • In the 15 years between 2015 and 2030, the population of 20-somethings will decrease by 1 in 7
  • A job done by seven people will be done by six in 15 years.
    • The amount of work per person increased by 17%.
    • A 17% increase in work for someone working 20 days x 8 hours per month would mean an additional 27 hours per month.
      • Would you work at least an hour more overtime each day or would you reduce your days off by three days per month?

It is not realistic to deal with a 17% increase in workload by increasing individual work hours.

  • By the way we work,
    • Increases work efficiency by 17
    • Reduce the work itself by 17
    • Increase the workforce by 17% by putting people who are not currently working to work
  • Approaches such as the following are needed

first appearance


This page is auto-translated from /nishio/15年間で20代人口は7人に1人減る using DeepL. If you looks something interesting but the auto-translated English is not good enough to understand it, feel free to let me know at @nishio_en. I’m very happy to spread my thought to non-Japanese readers.