This page has a list of countries by Gross enrolment ratio, upper secondary, gender parity index (GPI), according to officially-recognized international sources compiled by the World Bank. Ratio of female gross enrolment ratio for upper secondary to the male gross enrolment ratio for upper secondary. It is calculated by dividing the female value for the indicator by the male value for the indicator. A GPI equal to 1 indicates parity between females and males. In general, a value less than 1 indicates disparity in favor of males and a value greater than 1 indicates disparity in favor of females.