What's your source for the 40 million figure?^^ The daily patronage of the entire Greater Tokyo Railway Network is about 40 million. This number is not the actual number of different individuals that use the network but rather the number of person-times the network was used.
http://en.wikipedia.org/wiki/Shinjuku_StationShinjuku Station (新宿駅, Shinjuku-eki?) is a train station located in Shinjuku and Shibuya wards in Tokyo, Japan.
Serving as the main connecting hub for rail traffic between central Tokyo and its western suburbs on inter-city rail, commuter rail and metro lines, the station was used by an average of 3.52 million people per day in 2006
http://en.wikipedia.org/wiki/Ikebukuro_StationIkebukuro Station (池袋駅, Ikebukuro-eki?) is a train station located in the Ikebukuro district of Toshima, Tokyo, Japan. With 2.7 million passengers on an average weekday in 2004
http://en.wikipedia.org/wiki/Shibuya_StationShibuya Station (渋谷駅, Shibuya-eki?) is a train station located in Shibuya, Tokyo, Japan. With 2.4 million passengers on an average weekday in 2004,
there are more lines only in tokyo
I think it is more?The daily patronage of the entire Greater Tokyo Railway Network is about 40 million
the station which belong to Jr line is not counted the ppl who get offYou're counting everyone twice there, really