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 403 (on behalf of over 2,000 societies and associations)
Participating Libraries 970
Committed E-Journal Titles 26,010
Committed E-Book Titles 752,694
Committed D-Collections 156

Content Facts & Figures Table

Preserved Archival Units (articles, books, etc.) 65,852,911
Preserved E-Journal Titles 22,757
Preserved E-Book Titles 474,443
Preserved Files 1,156,154,501
Preserved Images 728,046,960
Preserved Repository created archival files 154,436,563
Preserved Supplied text files 232,401,939
Preserved Application Specific Files 25,391,966
Preserved Multi-file Packages 4,503,860
Preserved Video Files 99,196
Preserved Audio Files 2,423
Preserved Executable Files 56