University of the Philippines Open University

The University of the Philippines Open University (UPOU) is a public research university and is the fifth constituent university of the University of the Philippines System.
UPOU was established in 1995 by the UP Board of Regents as the evolution of the UP Distance Education Program. As of 2019, UPOU had 4,086 students enrolled in various programs representing 7.3% of the student population of the entire University of the Philippines system. This makes it the 4th largest constituent university by student population after UP Manila, and just slightly more than UP Visayas, which had 7.2%, while having the smallest budget of any constituent university.