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 291 (on behalf of over 2,000 societies and associations)
Participating Libraries 922
Committed E-Journal Titles 20,922
Committed E-Book Titles 496,541
Committed D-Collections 115

Content Facts & Figures Table

Preserved Archival Units (articles, books, etc.) 43,178,767
Preserved E-Journal Titles 21,627
Preserved E-Book Titles 341,842
Preserved Files 783,291,658
Preserved Images 462,885,375
Preserved Repository created archival files 109,958,354
Preserved Supplied text files 164,520,395
Preserved Application Specific Files 23,278,617
Preserved Multi-file Packages 2,201,638
Preserved Video Files 69,315
Preserved Audio Files 1,750
Preserved Executable Files 44