Best selling single by a Japanese act
Who
Masato Shimon
What
4500000 unit(s) sold
Where
Japan
When
The best selling single by a Japanese act is "Oyoge! Taiyaki-kun" ("Swim! Taiyaki") which was released by Masato Shimon on 25 December 1975. It spent 11 weeks at No.1 in Japan, selling over 4.5 million copies.