Because I doubted the truth of ranks of world's busiest stations listed below,
http://blog.livedoor.jp/nwknews/archives/4560250.html
or
https://www.youtube.com/watch?v=0NvXHWOaGMI
I searched daily ridership in populated countries except for Japan.
I'd like to start with Hong Kong.
※Wong Tai Sin, Lai Chi Kok, Mong Kok, Cheung Sha Wan were shown as ridership per peak hour. So,
I estimated that ridership per peak hour×17=Daily ridership.
Tsim Sha Tsui ranks as 35th.