The graph displays the hours of teaching every year finished by teachers over 3 grades of education in Japan,Spain,Ireland,USA in 2001.
According to the information in the chart,we can see that teachers in all four countries teach more hours at the upper secondary level than at primary and lower secondary levels. The USA has the highest number of teaching hours for teachers at all levels.
The highest number of teaching hours is in the USA at the upper secondary level, where teachers teach for 1000 hours in a year.
Looking at the trend, teachers teach more hours as we go from primary to lower secondary school.But, when we look from lower secondary to upper secondary, some countries show a decrease in the number of teaching hours.
In summary, the number of hours teachers teach each year is different in each country. The USA has the most teaching hours, and Japan has a lower start at the primary level. This information helps us to compare the education systems of these countries.