The bar chart depicts how many children who are either 9 or 13 years old an average class contains in various countries and in global.
Overall, although in US and Hong Kong, the group of age 9 exceeds that of age 13, in Russia they are almost same. Meanwhile, in Japan, 13-years-old pupils’ class has more student than 9-years-old ones’.
On the one hand, an average class in Hong Kong includes approximately 36 students in 9-aged children group which is 4 people more than 13-aged group’s class. Likewise, schools have 19 children for each 13 years-old students’ class that is less than that of 9-years-olds in UK. Additionally, UK schools’ data is so similar that of Global average.
On the other hand, in Japan, the difference between these 2 age groups is around 3, for there are 35 and 31 individuals in 13-years-old and 9-years-old students’ class, respectively. Lastly, in Russia, the volume of these 2 groups of classes is roughly the same. In detail, both of them are about 11 people per class which is the lowest average among all countries.