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 613*
Participating libraries 1,014
Committed e-journal titles 32,216
Committed e-book titles 1,386,273
Committed digital collections 220

* on behalf of over 2,000 societies and associations

Content facts and figures
Preserved archival units (articles, books, etc.) 104,858,477
Preserved e-journal titles 29,807
Preserved e-book titles 981,261
Preserved files 1,688,647,248
Preserved images 1,032,470,568
Preserved repository-created archival files 224,421,354
Preserved supplied text files 369,057,507
Preserved application-specific files 28,007,543
Preserved multi-file packages 10,187,168
Preserved video files 161,922
Preserved audio files 5,017
Preserved executable files 102