Number of persons at the age defined in a country’s regulations or laws to attend a given grade or level of education in that country. This number is determined based on the official entrance age and duration of the specific grade or level of education.
UNESCO Institute for Statistics
To inform about the magnitude of the population of the age or age group that theoretically corresponds to a specific grade or level of education. This is also a key input information needed to produce indicators and assess the demand for education.