I just read about this in the Nikkei Business Daily about Social Network Services in Japan
Saiworld Koreans biggest Social Network Service is plannig gto enter the Japanese market in this december. In Korea this service has already 16 million users! That’s 1/3 of the population using this service! I was quite amazed…
They also mentioned some stats about existing SNS in Japan:
Japanese SNS:
Open systems:
CafeStar (Taon) 1,7 million users
Kururu (NHN Japan) 210,000 users
Jonka (Image Factory) 180,000 users
Jokon (NeoWiz Japan) 100,00 users
Invitation based:
Mixi (e-mercury) 1,92 million users
Guri (Guri) 270,000 users
(Source Nikkei Business Daily Japanese Edition, November 30th 2005)
Quite interesting to see once again how strong Korea is when it comes to online communities..