Radiography of open access academic publishing and its bibliometric indicators | SciELO in Perspective

"A detailed report of a study performed by Science-Metrix funded by the US National Science Foundation, analyzes the situation of Open Access in the second half of 2016. The study published in January 2018 used as a universe of articles those indexed in the WoS and Scopus databases, plus the 1science database to identify their openness. The study identified that among the countries with the highest scientific output, more than 50% of papers published between 2010 and 2014 were available in open access, with Brazil taking the lead with 75% of articles. The study also presents the citation patterns of open access articles in relation to paywalled articles...."