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 415 (on behalf of over 2,000 societies and associations)
Participating Libraries 971
Committed E-Journal Titles 26,241
Committed E-Book Titles 783,076
Committed D-Collections 163

Content Facts & Figures Table

Preserved Archival Units (articles, books, etc.) 70,364,571
Preserved E-Journal Titles 23,434
Preserved E-Book Titles 382,576
Preserved Files 1,237,626,247
Preserved Images 756,557,484
Preserved Repository created archival files 162,612,149
Preserved Supplied text files 251,611,386
Preserved Application Specific Files 25,615,391
Preserved Multi-file Packages 4,858,679
Preserved Video Files 104,667
Preserved Audio Files 2,653
Preserved Executable Files 60