The IAM carried over event structure, rankings, and titles from prior WMSC competitions.
[12] The IAM has hosted championships in the US,[13][14][15] UK,[16][17] Germany,[18] Spain,[19] Sweden,[20][21] Denmark,[22] Indonesia,[23] France,[24] Canada,[25] Austria,[26] Egypt,[27] Libya,[28] China,[29][30][31] India,[32] Mongolia,[33] Australia,[34] Korea,[35] Japan,[36] Philippines,[37] Singapore,[38][39] and Taiwan.
[40] A full listing of competitions, results, rankings, and national and world records can be found on the IAM's statistics website.
[42] The organization has also imposed a "levels" system and adjusted their metrics for the Grand Master of Memory title.
[44] The five Memory League disciplines are one-minute memorization of names, words, images, numbers, and cards.