NEW figures reveal that University of Portsmouth students fail to take back 5,357 books to their library every year.
The number means the university is ranked tenth in the country for most unreturned titles.
Leading the way is Buckinghamshire New University, in High Wycombe, with 30,540 unreturned books.
It was followed by Oxford University and University of Kent with 20,923 and 19,613 missing books respectively. The information was gathered through Freedom of Information requests sent to all of Britain’s universities.
The Freedom of Information requests also revealed that universities have raised nearly £50m from fining students for overdue library books in the last six years.
Top was Leeds University, which has raised more than £1.8m and in second place was Manchester University, which collected almost £1.3m.