The graph compares the amount of teaching done by primary, lower secondary, and upper secondary school teachers in four different countries in 2001.
Overall, teachers in the USA taught significantly more than teachers in the remaining three countries. Furthermore, upper secondary school teachers generally worked more hours than other teachers.
In 2001, upper secondary school teachers in the USA taught around 1100 hours per year. This was closely followed by lower secondary school teachers, who did only slightly fewer than 1100 hours, compared to U.S primary school teachers, who taught less than 900 hours per year. In Ireland, both upper and lower secondary school teachers taught approximately 800 hours per year, while their primary school counterparts did around 600.
Meanwhile, both primary and lower secondary school teachers in Japan and Spain taught for approximately 600 hours per year in 2001. Similarly, upper secondary school teachers in Japan also only taught for around 600 hours, while their Spanish counterparts spent around 1000 hours teaching per year.