The number of mobile IP subscriber in Japan is 92.3million, the end of Dec 2009

From the news of Telecommunications Carriers Associasion, 2010/1/8.They announces the number of subscriber by carriers.

http://www.tca.or.jp/database/2009/12/

Total subscriber of mobile phone in Japan is 110,617,400. The share of NTT docomo is biggest, about 50%.

IP service name of mobile phone by carrier is as follows;

i-mode: NTT docomo

EZweb: au(KDDI)

Yahoo! mobile: Softbank

The Share of mobile phone by system is as follows;

CDMA2000 1x:28.1%

W-CDMA:67.8%

cdmaOne:0.2%

PDC:3.8%