The Cannabis Market Is Booming in Japan Image Cannabis News April 24, 2024 The market in Japan expanded from $26,3 million in 2019 to $173,8 million in 2023. The nascent cannabis market in Japan has reportedly seen a massive increase in recent years. That is according to a newly published report by Euromonitor International, which revealed a “staggering growth in Japan’s Recreational Marijuana News High Times