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 307 (on behalf of over 2,000 societies and associations)
Participating Libraries 922
Committed E-Journal Titles 21,898
Committed E-Book Titles 525,194
Committed D-Collections 127

Content Facts & Figures Table

Preserved Archival Units (articles, books, etc.) 45,490,488
Preserved E-Journal Titles 19,067
Preserved E-Book Titles 279,506
Preserved Files 827,661,617
Preserved Images 499,405,519
Preserved Repository created archival files 114,688,360
Preserved Supplied text files 171,261,265
Preserved Application Specific Files 23,486,941
Preserved Multi-file Packages 2,530,583
Preserved Video Files 71,349
Preserved Audio Files 1,830
Preserved Executable Files 46