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 347 (on behalf of over 2,000 societies and associations)
Participating Libraries 983
Committed E-Journal Titles 24,034
Committed E-Book Titles 644,218
Committed D-Collections 140

Content Facts & Figures Table

Preserved Archival Units (articles, books, etc.) 61,317,534
Preserved E-Journal Titles 21,155
Preserved E-Book Titles 434,109
Preserved Files 1,060,497,085
Preserved Images 670,565,570
Preserved Repository created archival files 145,636,926
Preserved Supplied text files 212,841,922
Preserved Application Specific Files 24,872,288
Preserved Multi-file Packages 3,896,817
Preserved Video Files 88,560
Preserved Audio Files 2,250
Preserved Executable Files 53