“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.
Arts and Humanities57Social Sciences18Business, Management and Accounting16Computer Science13Medicine12Language and Literature: Philology. Linguistics: Communication. Mass media1Technology: Technology (General): Industrial engineering. Management engineering: Information technology1