“2-yr mean citedness” is the OpenAlex field summary_stats.2yr_mean_citedness (CC0): mean citations per paper over a two-year window. It is a raw bibliometric field, not a journal rating, and is not used for default ranking.
Social Sciences30Arts and Humanities24Business, Management and Accounting16General Works1Geography. Anthropology. Recreation: Anthropology: Ethnology. Social and cultural anthropology1Social Sciences: Social sciences (General)1