DarkLordMalik
Member
Since this is brought up a lot, I saw this article posted by Finder.com who have done a lot of case study for Metacritic. It was posted recently and appears to have a lot of insightful data and graphs for your interest showing the metacritic average.
20 years of Metacritic scores shows a steady decline in 90 and above titles
Some graphs
20 years of Metacritic scores shows a steady decline in 90 and above titles
Some graphs