返信先: @Highlander_4450さん、@Exocet41さん、他4人
Japan is only steady now because of high life expectancy, so there's a huge cohort of people in their 60-80s born during the postwar baby boom. When they die of old age, Japan will shrink rapidly, projections show its population falling to 50 millions (from 120+ now) by 2100.