Gross vs. net enrollment rate in pre-primary education, 2016

The gross enrollment rate is the ratio between all students enrolled in pre-primary education, regardless of age, and the population of official pre-primary education
age. As over- and under-aged students are included this ratio can exceed 100%. The net enrollment rate is the ratio between all students in the theoretical age group
for pre-primary education enrolled in that level and the total population in that age group.