This report analyses Japan's US$ 350 billion media markets. Japan's newspapers have the largest circulation in the world, and Japan continuous to drive many media innovations. with the acquisition of Aegis, Japan's largest agency Dentsu acquired Aegis and is globalizing with a string of acquisitions. The world's largest business daily Nihon Keizai Shinbun (Nikkei) startled the global media world by acquiring The Financial Times. In order to market in Japan you need to understand Japan's media and advertising.