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

50%


Total
Publications

1.8K


Total Open
Publications

879


Total
Citations

26K


Open Access
Percentage

50%


Total
Publications

1.8K


Total Open
Publications

879


Total
Citations

26K

Wikipedia

Website

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Breakdown

21% 25% 2% 52%

Publisher Open

21%

Both

25%

Other Platform Open

2%

Closed

52%

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

44%OA Journal

OA Journal 44%

350

Hybrid 36%

285

No Guarantees 20%

162

Other Platform Open

Domain 83%

401

Institution 13%

64

Other Internet 11%

55

Preprint 3%

14

Public 2%

9

Other Platform Locations

Name

Platform Type

Publications

PubMed Central
Domain
401
DOI
Other Internet
51
Europe PMC
Domain
41
DANS - Data Archiving and Networked Services
Institution
21
Figshare
Public
9
Research Square
Preprint
7
Unknown Repository
Other Internet
4
University of Melbourne - Minerva Access
Institution
4
University of Florence - Florence Research
Institution
4
Universita Degli Studi Di Milano - Archivio Istituzionale della Ricerca
Institution
4
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Data updated 18 August 2025

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