It didn't work. Population pressure has not affected Iran's education popularization policy. As an important achievement of the Islamic revolution, it is fully open to the middle and lower classes, and higher education is basically free. A large number of children from poor families have been promoted, and women are treated equally, accounting for 60% in universities. The quality of human resources in Iran has greatly improved, and its education level and low illiteracy rate are second only to Israel in the Middle East.