A university can become very large without having one enormous physical campus.
Distance-learning universities can enroll students from across a country. Affiliated university networks can coordinate education through many colleges. Multi-campus institutions can distribute teaching across different locations.

These models make
university enrollment a more complicated subject than simply measuring campus size.
The Campus Review's guide compares large universities around the world and explains the different structures behind their scale.
https://thecampusreview.com/study-abroad/largest-university-in-the-world/#UniversityEnrollment #LargestUniversities #HigherEducation #DistanceLearning