The Japanese registry claims to have 70,000,000 bikes on record in 2007[1]. [1] ...

The Japanese registry claims to have 70,000,000 bikes on record in 2007[1].

[1] 自転車産業振興会によると2007年(平成19年)度で全国で7000万台を超えており http://ja.wikipedia.org/wiki/%E9%98%B2%E7%8A%AF%E7%99%BB%E9%...

(looking for a better source than Wikipedia but it eludes me at the moment!)