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 298 (on behalf of over 2,000 societies and associations)
Participating Libraries 922
Committed E-Journal Titles 21,848
Committed E-Book Titles 501,472
Committed D-Collections 122

Content Facts & Figures Table

Preserved Archival Units (articles, books, etc.) 44,990,563
Preserved E-Journal Titles 18,153
Preserved E-Book Titles 352,472
Preserved Files 807,731,890
Preserved Images 490,828,507
Preserved Repository created archival files 113,051,788
Preserved Supplied text files 168,821,185
Preserved Application Specific Files 23,454,943
Preserved Multi-file Packages 2,487,943
Preserved Video Files 70,839
Preserved Audio Files 1,819
Preserved Executable Files 46