“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.
Business, Management and Accounting22Arts and Humanities17Economics, Econometrics and Finance16Social Sciences13Medicine: Medicine (General)1Social Sciences: Social sciences (General)1