The Library of the Centre for Demographic Studies is the only one located in Spain and specialized in Demography and Population Studies. It is open to the scientific and university communities as its collection as well, holding around 10.715 printed books, and 82 journals, in both formats, print and digital. The collection consists, mostly, in: Spanish population statistics (from 1860), an extensive Spanish and international bibliography in Demographic studies. In addition, the CED Library’s collection includes the following subjects: Statistics, Sociology, Gender Studies, Economy, Urbanism, Geography, etc. A very important collection of national and international journals and doctoral theses, some of them are available digital format, here: TDX.