What percentage of junior high school graduates go on to high schools, and what percentage of high school graduates go on to universities?

The percentage of high school graduates who go on to universities was 49% in 2003, according to a Ministry of Education, Culture, Sports, Science and Technology study.
The figure was 10.3% in 1960, which means about five times more students are entering universities than 40 years ago.
Nearly 100% of junior high school graduates go on to high school.
Some say that high school should also be compulsory.
The percentage of American high school graduates going to universities is around 50%, which is the highest in the world.
Japan ranks second followed by France, Germany, and the United Kingdom.