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, as well as the component file types and formats. The tables below provide regularly updated figures on the content and global library and publisher participation.

Participation facts and figures
Participating publishers 659*
Participating libraries 1,014
Committed e-journal titles 33,332
Committed e-book titles 1,604,145
Committed digital collections 237

* on behalf of over 2,000 societies and associations

Content facts and figures
Preserved archival units (articles, books, etc.) 108,550,867
Preserved e-journal titles 30,928
Preserved e-book titles 1,085,128
Preserved files 1,769,822,613
Preserved images 1,075,943,857
Preserved repository-created archival files 232,491,014
Preserved supplied text files 382,430,187
Preserved application-specific files 28,733,801
Preserved multi-file packages 10,981,199
Preserved video files 177,204
Preserved audio files 5,495
Preserved executable files 106