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 622*
Participating libraries 1,014
Committed e-journal titles 32,731
Committed e-book titles 1,393,599
Committed digital collections 221

* on behalf of over 2,000 societies and associations

Content facts and figures
Preserved archival units (articles, books, etc.) 105,835,030
Preserved e-journal titles 30,177
Preserved e-book titles 990,541
Preserved files 1,709,165,486
Preserved images 1,043,439,750
Preserved repository-created archival files 227,343,969
Preserved supplied text files 372,912,318
Preserved application-specific files 28,264,428
Preserved multi-file packages 10,494,005
Preserved video files 168,601
Preserved audio files 5,065
Preserved executable files 106