The largest university in the world by enrollment is the Indira Gandhi National Open University (IGNOU) located in India. As of 2021, it has over 4 million students enrolled in various programs and courses. IGNOU is an open university, which means that it allows anyone who meets the enrollment requirements to attend, regardless of their previous education. It offers undergraduate, postgraduate, and doctoral programs through distance education and online courses.
Another large universities in terms of enrollment are National University of Distance Education (UNED) in Spain, China Open University and Open University in the UK, but they are still smaller than IGNOU in terms of number of students.
