Picture: Crowded street in Tokyo, Japan.
"Tokyo's population exceeded 10 million as early as 1962" page 52
Source: Inside Japanese Business -
A Narrative History, 1960 - 2000
By Makoto Ohtsu with Tomio Imanari
Published by M.E.Sharpe Inc, New York, USA, Pages : 459
ISBN: 978-0765-607-812