No. of primary, middle school students in Japan down 1 mil. in decade

The number of students in elementary and junior high schools in Japan fell by around 1 million from a decade earlier to about 9.56 million in 2020, according to a government survey, underscoring the rapid aging of the country's population.

Thousands of Teens Are Being Pushed Into Military's Junior R.O.T.C. - The New York Times

Child Mortality - UNICEF DATA

Math curriculum: New study reports declining scores in Canada

Considering in Japan the school year runs from 1 April and ends 31 March, a 13 years old whose birthday is 4 December (that is, it's turning 14 that year) would be

Last students graduate: School closures spread in ageing Japan

Total fertility rate in Poland, 10 year apart [OC] : r/MapPorn

Japan provides US$10 million to improve quality of education for over 70,000 children in Afghanistan

Secondary education in Japan - Wikipedia

Total fertility rate in Poland, 10 year apart [OC] : r/MapPorn

Special Education Stats [2023 Update]

Will Japan's population shrink or swim?

The End of Men - The Atlantic