Archive Content & Access > Facts & Figures

Facts & Figures

Portico is one of the most comprehensive digital preservation archives. We hold more content than others and have extensive knowledge about the data we preserve and the component file types and formats. The tables below provide regularly updated figures on the content, including details about various file types and formats, as well as global library and publisher participation.


Participation Facts & Figures Table

Participating Publishers 406 (on behalf of over 2,000 societies and associations)
Participating Libraries 971
Committed E-Journal Titles 26,069
Committed E-Book Titles 752,694
Committed D-Collections 156

Content Facts & Figures Table

Preserved Archival Units (articles, books, etc.) 67,559,373
Preserved E-Journal Titles 22,949
Preserved E-Book Titles 474,629
Preserved Files 1,174,064,872
Preserved Images 734,754,637
Preserved Repository created archival files 155,725,615
Preserved Supplied text files 235,625,531
Preserved Application Specific Files 25,456,748
Preserved Multi-file Packages 4,571,624
Preserved Video Files 99,698
Preserved Audio Files 2,426
Preserved Executable Files 57