Diamond Leads the Way on Open Access!

Here’s an interesting bit of information that might surprise sceptics of Diamond Open Access publishing (as demonstrated by the Open Journal of Astrophysics). I found it Mastodon: Jeroen Bosman @jeroenbosman@akademienl.social Interesting to see, that according to Openalex data, diamond open access is the most frequently used model among OA models recent papers were published under. From about 26,170,000 articles and reviews published between 2020 and 2025, over 8.7M are diamond OA, more than any other OA model. And even this is likely an underestimation, as OA type detection for diamond is DOAJ based, that many diamond journals have not registered with. June 6, 2026, 4:21 pm 13 boosts 7 favorites The results were obtained using the excellent OpenAlex catalog(ue). It shows that of the over 25 million articles Open Access published in the years 2020-2025 (inclusive), over 8.6 million (around 35%) were Diamond Open Access publications, i.e. free to authors and readers alike (without…