1. The school year is from September 1 day to August 3 1 day of the following year. For example, strictly speaking, the gross enrollment rate of higher education in 2000 refers to the situation in September 2000.
2. The enrollment rate can be divided into "gross enrollment rate" and "net enrollment rate": "gross enrollment rate" does not mean rough calculation, but means that the age of students is not considered when calculating the number of students in molecular higher education in the formula; "Net enrollment rate" means that when calculating the number of students in molecular higher education, the age of students should be considered, that is, only the number of students in the same age group as the denominator (18-22 years old) is included, and students younger than 18 or older than 22 years old are not included. The present and past higher education can be described by "net enrollment rate" and "gross enrollment rate". However, because the age distribution of future students cannot be accurately known, we can only use the "gross enrollment rate of higher education" to determine the development goal of future higher education.
3. The number of students in higher education refers to the number of students in various schools or institutions that implement higher education in a certain academic year (there are seven categories at this stage), that is, the number of graduate students in colleges and research institutions+the number of colleges and universities, the number of students in adult colleges and universities, the number of students in military colleges and universities+the number of registered audio-visual students in RTVU × the conversion factor+the number of graduates in higher education self-study exams. Since RTVU has no academic system restrictions on registered audio-visual students and higher education self-study exams, it must multiply the number of learners by the conversion factor. Generally speaking, the conversion coefficient of the number of registered audiovisual students in RTVU is less than 1, while the conversion coefficient of the number of graduates in higher education self-study examination is greater than 1. The conversion factor should be slightly adjusted according to the actual situation in different years.
4.1population aged 8-22 refers to the sum of1population aged 8-22. Because the number of births varies greatly from year to year, the number of people in different years 18-22 is also different.