The bar graph illustrates the typical size of primary classes and lower secondary classes across six countries: South Korea, Japan, the UK, Denmark, Mexico and Iceland in 2006, comparing them with the global average classes.
Overall, South Korea hold the first position in terms of both class sizes, while Iceland came last among all countries. Four countries had greater number of students in lower secondary classes compared to primary classes, whereas other two countries along with global data had shown that high school composed of lower number of students in class.
South Korea had the biggest class of lower secondary school compared to other countries as well as world class size, with around 36 students. This figure was much lower for the UK, Denmark and Iceland, accounted for only near 23, 19 and 17 students respectively. All these numbers consistently lower than global class size in terms of lower secondary class. However, Japan and Mexico shared a similar figure of just over 30 students, aged from 13 to 16.
South Korea again exhibited the highest number of students in primary school among all countries, accounted for just under 35 students. In contrast, Iceland had the least amount of students from age 5 to 10, with a number of 15 students. Denmark and Mexico had an identical number of students in primary class, which was just over 20. As for Japan and the UK, this figure was approximately 27 and 23. Except South Korea, all other countries had whether similar or lower number of students in primary class in comparison to whole world size of primary class, as it was accounted for nearly 26 students.