“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 Sciences178Engineering113Environmental Science91Economics, Econometrics and Finance68Social Sciences: Communities. Classes. Races: Urban groups. The city. Urban sociology: City planning1