How many runners/joggers in the world?

How many no-professional runners are there in the world?
More or Less than cyclists?
Is there any website with these statistics?

a lot , i think there are more joggers, because not every jogger has a bicycle but they got running shoes

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One Response to How many runners/joggers in the world?

  1. Tom Cruz says:

    a lot , i think there are more joggers, because not every jogger has a bicycle but they got running shoes
    References :