Enrolment rates in secondary and tertiary education refer to the percentage of individuals of a specific age enrolled in secondary or tertiary education programmes.
These rates are expressed as net enrolment rates, calculated by dividing the number of students of a particular age enrolled at each education level by the size of the population of that same age. The data are typically based on head counts and do not distinguish between full-time and part-time study. In some OECD countries, part-time education is only partially included in the reported figures.
This indicator is measured as a percentage of the population in the corresponding age group.