This uniRank webpage includes a list of more than 9,220 University libraries belonging to officially accredited world Universities, Colleges and other higher education institutions meeting the following uniRank selection criteria:
- being chartered, licensed or accredited by the appropriate higher education-related organization in each country
- offering at least four-year undergraduate degrees (bachelor degrees) or postgraduate degrees (master or doctoral degrees)
- delivering courses predominantly in a traditional, face-to-face, non-distance education format