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 470 (on behalf of over 2,000 societies and associations)
Participating Libraries 1,011
Committed E-Journal Titles 26,866
Committed E-Book Titles 815,821
Committed D-Collections 179

Content Facts & Figures Table

Preserved Archival Units (articles, books, etc.) 77,693,964
Preserved E-Journal Titles 23,990
Preserved E-Book Titles 536,082
Preserved Files 1,307,533,187
Preserved Images 794,280,077
Preserved Repository created archival files 176,465,751
Preserved Supplied text files 275,843,805
Preserved Application Specific Files 25,969,507
Preserved Multi-file Packages 6,752,939
Preserved Video Files 111,728
Preserved Audio Files 3,120
Preserved Executable Files 60