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 273 (on behalf of over 2,000 societies and associations)
Participating Libraries 922
Committed E-Journal Titles 20,618
Committed E-Book Titles 332,800
Committed D-Collections 115

Content Facts & Figures Table

Preserved Archival Units (articles, books, etc.) 38,657,082
Preserved E-Journal Titles 20,958
Preserved E-Book Titles 254,689
Preserved Files 675,539,153
Preserved Images 379,701,177
Preserved Repository created archival files 100,929,714
Preserved Supplied text files 151,162,105
Preserved Application Specific Files 22,676,785
Preserved Multi-file Packages 1,915,924
Preserved Video Files 56,931
Preserved Audio Files 1,605
Preserved Executable Files 17