The library of Demographic Institutions FEB UI (LD FEB UI) was built since 1971. During 1970-1990, LD FEB UI library had the most complete population collection and becomes important source of information for students, researchers, teachers, practitioners and the general public who want to learn demography. Various collections include books, magazines, clippings, working papers, proceedings, reprint series, and newspapers, both from within and abroad. It also have been collected and managed well. To date, the library collections have reached 16,500 book titles, 450 magazine titles and over 600 research reports.