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 662*
Participating libraries 1,014
Committed e-journal titles 33,786
Committed e-book titles 1,607,588
Committed digital collections 237

* on behalf of over 2,000 societies and associations

Content facts and figures
Preserved archival units (articles, books, etc.) 108,808,541
Preserved e-journal titles 31,104
Preserved e-book titles 1,089,544
Preserved files 1,784,032,030
Preserved images 1,064,384,011
Preserved repository-created archival files 233,378,310
Preserved supplied text files 367,337,315
Preserved application-specific files 28,808,350
Preserved multi-file packages 11,038,826
Preserved video files 178,257
Preserved audio files 5,601
Preserved executable files 106