一番重要なのは人口ピラミッドや
https://i.imgur.com/hzoluzB.jpg
https://i.imgur.com/VERZc9i.jpg
https://i.imgur.com/rKxPlTc.jpg

https://i.imgur.com/5tfcU88.jpg
https://i.imgur.com/FzFPhWd.jpg
日本は未来ない