1) Government's public investment in education;

2) Parents invest in education at their own expense;

Japan's public education investment accounts for about 4% of GDP, which is not too high, because Japan's aging is very serious now and the youth population is decreasing year by year.

In the past hundred years, Japan has invested a lot of education funds every year and trained many talents.

Today, 22 people in Japan have won the Nobel Prize with fruitful results.