Education of Japan
Adult literacy rate in Japan is 99%. Government expenditure on education is 3.5% of GDP. The education index of Japan is 0.808 - formal education levels are high, secondary education is a standard for most of the population; higher education is highly available and widespread due to the fact that graduates are economically demanded, and in many such countries having a higher education is also becoming a default option. People in Japan speak the Japanese language.
It is not known, how many people speak English in Japan and what are their proficiency levels. Most likely there are no native English speakers, or their numbers are undetectable via standard statistical methods.