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 394 (on behalf of over 2,000 societies and associations)
Participating Libraries 984
Committed E-Journal Titles 25,519
Committed E-Book Titles 749,897
Committed D-Collections 156

Content Facts & Figures Table

Preserved Archival Units (articles, books, etc.) 65,207,992
Preserved E-Journal Titles 22,626
Preserved E-Book Titles 466,121
Preserved Files 1,140,500,753
Preserved Images 716,898,018
Preserved Repository created archival files 152,789,545
Preserved Supplied text files 225,517,040
Preserved Application Specific Files 25,361,636
Preserved Multi-file Packages 4,347,643
Preserved Video Files 98,334
Preserved Audio Files 2,393
Preserved Executable Files 56