Originally Posted by kaboku68
From Wikipedia...

The "Kodansha Meibo" (a register of dan graded members of the All Japan Kendo Federation) shows that as of September 2007, there were 1.48 million registered dan graded kendōka in Japan. According to the survey conducted by the All Japan Kendo Federation, the number of active kendo practitioners in Japan is 477,000 in which 290,000 dan holders are included. From these figures, the All Japan Kendo Federation estimates that the number of "kendōka" in Japan is 1.66 million, with over 6 million practitioners worldwide, by adding the number of the registered dan holders and the active kendo practitioners without dan grade.[23]



And how many surfers are there in the world? And what does popularity have to do with it?


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