The National Open University of Nigeria (NOU) is the largest university in Nigeria by number of students. In 2019, the number of all students enrolled reached 565,000. The National Open University of Nigeria is the largest open and distance learning institute on the African continent. It is based in Abuja but has several campuses spread across Nigeria. The university has a study from home policy, which many students have adopted, but still sees a large number of these students going to the campuses for lectures and other assignments or concerns.