Korean TV station MBC has conducted a survey among Koreans from teenage to 70s in age… Rain is the favourite male artist among ladies in their 70s lol.
Some other stats… actor Jang Dong-gun is favourite among ladies ranged from 30s to 60s; Jo In-sung is favourite among 20s.
Kim Tae-hee is the favourite among guys in teenage, 20s and 40s; Son Ye-jin the favourite among 30s.