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 678*
Participating libraries 1,014
Committed e-journal titles 33,839
Committed e-book titles 1,621,818
Committed digital collections 236

* on behalf of over 2,000 societies and associations

Content facts and figures
Preserved archival units (articles, books, etc.) 109,953,727
Preserved e-journal titles 31,331
Preserved e-book titles 1,101,646
Preserved files 1,765,112,480
Preserved images 1,078,181,974
Preserved repository-created archival files 235,438,200
Preserved supplied text files 370,515,884
Preserved application-specific files 29,019,386
Preserved multi-file packages 11,248,832
Preserved video files 181,722
Preserved audio files 5,746
Preserved executable files 106