World's busiest Commuter Rail systems

Name the busiest Commuter Rail systems by their daily Ridership.
According to wikipedia
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Quiz by SWATkun
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Last updated: May 13, 2019
First submittedSeptember 10, 2017
Times taken42
Average score33.3%
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City
Ridership
Answer
Tokyo
17,100,000
JR East
Mumbai
7,585,000
Mumbai Suburban Railway
Kolkata
3,750,000
Kolkata Suburban Railway
Paris
3,290,000
Réseau Express Régional (RER)
São Paulo
3,016,444
Companhia Paulista de Trens Metropolitanos (CPTM)
Tokyo
2,833,000
Tokyu Corporation
Tokyo
2,364,626
Tobu Railway
Tokyo
1,951,000
Odakyu Electric Railway
City
Ridership
Answer
Kyoto-Osaka-Kobe
1,950,000
Hankyu Railway
Tokyo
1,692,523
Seibu Railway
Tokyo
1,690,000
Keio Corporation
Chennai
1,700,000
Chennai Suburban Railway
Buenos Aires
1,400,000
Buenos Aires Metropolitan Area Rail Network
Tokyo
1,206,000
Keihin Electric Express Railway (Keikyu)
Berlin
1,060,000
Berlin S-Bahn
+1
Level 58
Feb 28, 2021
Cries in American.
+1
Level 60
Feb 28, 2021
You have your car
+1
Level 45
Nov 26, 2021
Buenos Aires one is a little messy since there is no official name for the commuter rail network. Also, Tokyu doesn't seem to register?