DOAJ 2019: Language analysis | Sustaining the Knowledge Commons / Soutenir les savoirs communs
The analysis of Directory of Open Access Journals (DOAJ) shows that open access journals were published in 85 different languages in 2019. English is the language used by more than 9,500 journals, while Spanish language comes second with more than 2,400 journals, followed by Portuguese (1,731), Indonesia (1,135) and French (897). We analyzed the tendency to charge and average APC by first language listed. The only language with a majority of journals charging APCs was Chinese (54%), followed by Persian (33%) and English (31%). Average APC ranged from 43 USD (Indonesian) to 1,096 USD (English). The second highest APC was Catalan at 331 USD, illustrating a correlation between language and APC, with English language journals at the high end of the range.