Chaque jour il y a une enquête de ce genre:
http://www.nytimes.com/2007/07/23/world/europe/23iht-salazar.4.6790015.html
"Nostalgia for Salazar divides the Portuguese"
http://www.telegraph.co.uk/news/worldnews/asia/china/10537651/In-China-Chairman-Mao-still-bigger-than-Jesus.html
"In China, Chairman Mao still bigger than Jesus"
https://www.theguardian.com/news/blog/2006/jul/18/post181
"1 in 3 spaniards still back Franco"
Etc, etc, etc...