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 426 (on behalf of over 2,000 societies and associations)
Participating Libraries 978
Committed E-Journal Titles 26,536
Committed E-Book Titles 790,648
Committed D-Collections 164

Content Facts & Figures Table

Preserved Archival Units (articles, books, etc.) 72,736,317
Preserved E-Journal Titles 23,758
Preserved E-Book Titles 509,758
Preserved Files 1,264,262,400
Preserved Images 779,948,426
Preserved Repository created archival files 167,633,026
Preserved Supplied text files 265,640,292
Preserved Application Specific Files 25,781,157
Preserved Multi-file Packages 5,692,373
Preserved Video Files 109,537
Preserved Audio Files 3,063
Preserved Executable Files 60