The provided bar chart outline how children 9 years old, and children in 13 years old, in the not the same countries.
Overall, Hong Kong and Japan hama more children Russia or than United States. In most places, classes for 9-year-olds are larger than for 13-year-olders, except for Japan.
In Japan, the classe size for 13-year-olds is about 35 students,which is more than class for 9-year-olders. However, in Hong Kong the situation different. The younger group has more bigger classes with about 36-37 students, while the older group has appromaxily 32.
Russia has the smallest classes in the chart. For both age groups, there are only about 12 students per class. In the United States, class sizes are higher than Russia but lower than global average classes. The are about 23 students in the 9-year-olders group and around 18 for 13-year-olds. Finally, the global average shows that younger classes usually have about 23 children, while older classes have about 19.