It's considered to have ended (and possibly started reversing) in developed countries starting in the mid 1990s. Your link even covers it: https://en.wikipedia

It's considered to have ended (and possibly started reversing) in developed countries starting in the mid 1990s. Your link even covers it: https://en.wikipedia.org/wiki/Flynn_effect#Possible_end_of_progression https://en.wikipedia.org/wiki/Flynn_effect#Possible_end_of_p...