20% of science articles are available free of charge
A recent survey published in PLoS ONE, reveals that one in five research papers published in 2008 are currently available for free on the Internet.
Author manually checked the availability of 1837 articles, randomly sampled from 1.2 million articles in the Scopus database from Elsevier.
Of articles published in 2008,
- 8.5 percent were freely available at the publishers’ websites.
- An additional 11.9 percent free manuscript versions could be found on authors’ websites or in repositories.
Open Access has so a significative impact on the availability of the scientific journal literature.
Breaking down the articles by discipline, it was found that with 33 percent, earth sciences had the highest overall OA share, while chemistry had the lowest with 13 percent.
Björk B-C, Welling P, Laakso M, Majlender P, Hedlund T, et al. (2010) Open Access to the Scientific Journal Literature: Situation 2009. PLoS ONE 5(6): e11273. doi:10.1371/journal.pone.0011273