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 317 (on behalf of over 2,000 societies and associations)
Participating Libraries 922
Committed E-Journal Titles 22,066
Committed E-Book Titles 532,042
Committed D-Collections 127

Content Facts & Figures Table

Preserved Archival Units (articles, books, etc.) 51,806,060
Preserved E-Journal Titles 19,441
Preserved E-Book Titles 409,125
Preserved Files 915,048,395
Preserved Images 531,793,684
Preserved Repository created archival files 121,715,978
Preserved Supplied text files 184,097,707
Preserved Application Specific Files 23,578,944
Preserved Multi-file Packages 2,846,525
Preserved Video Files 74,011
Preserved Audio Files 1,923
Preserved Executable Files 47