Open Access in 2019: Original currencies for article processing charge | Sustaining the Knowledge Commons / Soutenir les savoirs communs

The original currency to charge article processing charge (APC) for more than 50 percent of world open access (OA) journals in 2019 recorded in our study is USD (for documentation of our procedures see Morrison et al (2019), while GBP and EUR are in the second and third place. 5 currencies (USD, GBP, EUR, CHF – Swiss Franc, INR – Indian Rupee) account for over 90% of the journals.