Ithaka Harbors

Ithaka Harbors

Ithaka Harbors, Inc. is a US not-for-profit, the parent company of digital library website JSTOR, the digital preservation service Portico, and the research and consulting group Ithaka S+R. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for Ithaka Harbors, United States, covering academic research published from 2000 to 2024. Read More.


Open Access Percentage

68%


Total
Publications

1.8K


Total Open
Publications

1.2K


Total
Citations

25K


Open Access
Percentage

68%


Total
Publications

1.8K


Total Open
Publications

1.2K


Total
Citations

25K

Wikipedia

Website

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Breakdown

39% 26% 2% 33%

Publisher Open

39%

Both

26%

Other Platform Open

2%

Closed

33%

Percentage of Open Access over time

0%10%20%30%40%50%60%70%80%90%100%
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Publisher Open

Both

Other Platform Open

Closed

Volume of Open Access over time

020406080100120140160Total Publications
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Open

Closed

Publisher Open

31%OA Journal

OA Journal 31%

347

Hybrid 56%

630

No Guarantees 13%

149

Other Platform Open

Domain 82%

400

Institution 18%

86

Other Internet 15%

72

Public 2%

8

Preprint 1%

7

Other Platform Locations

Name

Platform Type

Publications

PubMed Central
Domain
401
DOI
Other Internet
50
Europe PMC
Domain
41
Unknown Repository
Other Internet
25
DANS - Data Archiving and Networked Services
Institution
16
Figshare
Public
8
University of Buenos Aires - Sociedad
Institution
5
AECID Library - Americanae
Institution
5
Wright State University - CORE Scholar
Institution
4
Washington University School of Medicine - Digital Commons@Becker
Institution
4
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Data updated 18 August 2025

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