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 244 (on behalf of over 2,000 societies and associations)
Participating Libraries 917
Committed E-Journal Titles 17,748
Committed E-Book Titles 220,570
Committed D-Collections 112

Content Facts & Figures Table

Preserved Archival Units (articles, books, etc.) 31,962,550
Preserved E-Journal Titles 17,376
Preserved E-Book Titles 172,573
Preserved Files 516,725,581
Preserved Images 281,073,332
Preserved Repository created archival files 90,100,465
Preserved Supplied text files 99,644,196
Preserved Application Specific Files 21,943,863
Preserved Multi-file Packages 1,395,011
Preserved Video Files 52,880
Preserved Audio Files 1,386
Preserved Executable Files 11