The bar chart illustrates the juveniles of two distinct age ranges in an average class in the listed countries.
It is noticeable that in most countries, the number of students at the age of 9 per class was clearly higher than that of the age of 13. However, other countries showed either the same number of students per class or the number of students aged 9 was lower than at the age of 13.
Global average demonstrated a clear dominance of students aged 9 over those aged 13, and the number of 9 aged students were barely higher. Similarly, in Hong Kong, the number of students at the age of 9 reached 35 students per class, while the number of students at the age of 13 was lower.
On the other hand, in Japan, the number of students aged 13 was higher than that of students at the age of 9, with a difference of 4 students. Though in Russia, the proportion of students aged 9 and 13 was approximately the same. The United States showed a little variation from the global average, with approximately 25 students per class.
