The Archive: Content & Access > Archive Facts & Figures

Archive 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 94 (on behalf of over 2,000 societies and associations)
Participating Libraries 657
Committed E-Journal Titles 10,852
Committed E-Book Titles 33,246
Committed D-Collections 10

Content Facts & Figures Table

Preserved Archival Units (articles, books, etc.) 14,973,030
Preserved E-Journal Titles 8,227
Preserved E-Book Titles 1,940
Preserved Files 175,667,436
Preserved Images 84,144,128
Preserved Repository created archival files 43,664,987
Preserved Supplied text files 31,264,406
Preserved Application Specific Files 16,284,592
Preserved Multi-file Packages 139,759
Preserved Video Files 20,467
Preserved Audio Files 570
Preserved Executable Files 1