Sustainable Developmental Goal 4 (SDG 4) aspires to ensure inclusive and equitable quality education and promote lifelong learning opportunities for all. Data available for 2014 shows Australia had the highest expected years of female education amongst all the Commonwealth countries at 20.95, while Pakistan has the least at 7.38. The Commonwealth average (based on the countries for which data is available) of 13.93 was higher than the World average of 12.22. Expected years of schooling is defined as the number of years a child of school entrance age is expected to spend at school, or university, including years spent on repetition. It is the sum of the age-specific enrolment ratios for primary, secondary, post-secondary non-tertiary and tertiary education.