OER Knowledge CloudReportHook, Daniel W.Hahnel, MarkCalvert, IanThis report is an analysis of the Open Access landscape since the turn of the millennium. It compares the leading countries for research outputs with those producing the most Open Access papers over a 16-year period, as well as Open Access collaboration trends. Open Access Classifications used in the report: - Pure Gold: Version of Record (VOR) is free under an open licence from a full OA journal - Bronze: Freely available on publisher page, but without an open licence - Hybrid: Version of Record (VOR) is free under an open licence in a paid-access journal - Green (Published): Free copy of published version in an OA repository - Green (Accepted): Free copy of accepted version in an OA repository - Green (Submitted): Free copy of submitted version, or where version is unknown, in an OA repository20192019/01Digital Science1-16United Kingdom10.6084/m9.figshare.7618751.v2https://digitalscience.figshare.com/articles/The_Ascent_of_Open_Access/7618751yesAltmetric Attention ScoresaltmetricsBronze Open AccesscollaborationDimensionsGreen Open AccessHybrid Open AccessOAopen accessopen researchPlan Sproject DEALPure Gold Open AccessAscent_of_Open_Access_Report.pdfhttps://digitalscience.figshare.com/articles/The_Ascent_of_Open_Access/7618751United Kingdom, Europe