The given bar chart illustrates how many teaching hours were done by each teacher in various nations in 2001.
Overall, it is obvious that the highest figure was seen in the amount of time each teacher in the USA taught, while the opposite was true for Japanese teachers. In addition, upper secondary teachers taught more hours than other teachers.
Looking at the figures for the USA and Ireland categories with changes, we can see that the American teachers spent approximately 840 hours teaching in primary school, which was around 200 hours higher than the figure for Irish teachers. In terms of lower secondary school, about 1300 hours were taught by lower secondary teachers in the USA, while the figure for teachers in Ireland was lower, standing at 800 hours. Similarly, the number of hours Irish teachers spent teaching was lower than that of American teachers, around 600 and 810 hours per year.
Regarding the remainder, there was stability in the quantity of hours primary and lower secondary school teachers in Japan and Spain teaching, which was exactly 600 hours in 2001. Meanwhile, Japanese upper secondary teachers taught for about 640 hours per year, whereas Spanish upper secondary teachers worked significantly more, recording 950 hours.