Guide to online sports betting websites operated in Japanese language. Japanese language is the official language of Japan. For example, there are more than 128 million of native speakers. Also, outside Japan there are approximately 2 million speakers. Furthermore, this language is one of the world’s most complex and difficult to learn languages. Japanese, or Nihongo, is an East Asian language. This language uses four different systems of writing.
Check below the list of online sports betting websites offering services in Japanese language.