Japanese Government stats show that in July 2019 there were 408,919 licensed amateurs in Japan
https://www.tele.soumu.go.jp/musen/SearchServlet?pageID=1
Japanese Government stats show that in July 2019 there were 408,919 licensed amateurs in Japan
https://www.tele.soumu.go.jp/musen/SearchServlet?pageID=1