- Gender parity index: Country's gender parity index for college and university enrollment. For countries with a rating of over 1, more females are enrolled while countries with a rating under 1 have more males enrolled.
- Gender ratio: Ratio of female to male tertiary enrollment is the percentage of men to women enrolled at tertiary level in public and private schools.
- Private school share: Percentage of post-secondary students who attend a private school, college, or university.
- Share of total education spending: Percentage of government education funding that goes to post-secondary education.