The line graph illustrates changes in the percentage of people satisfied with the education system in Australia, Japan, the USA, Germany, and Brazil over a 20-year period, starting from 1990.
Overall, the satisfaction levels with the education system increased in Japan, Germany, and Brazil, while they decreased in the USA and Australia. It is worth noting that Japan consistently had the highest satisfaction levels throughout the entire period.
Examining the detailed trends of the increasing satisfaction levels, it is evident that in Japan, the percentage of satisfied individuals was around 56% in 1990, reaching its peak at 69% in 2010. Similarly, Germany and Brazil showed a similar upward trend, increasing from 33% to 50% and 15% to 36% in 1990 and 2010, respectively. Notably, Brazil exhibited the most significant increase among all countries.
On the other hand, analyzing the declining trends, it is clear that the percentage of people satisfied with the education system in the USA decreased from 45% in 1990 to 29% in 2010. In Australia, the satisfaction rate was about 50% in 1990, briefly rising to 59% in 1995 but then dropping to 43% in 2005, remaining relatively stable until the end of the period.