Looking at the number of players by prefecture based on local federation registrants, the top five were Aichi Prefecture, Kanagawa Prefecture, Hokkaido (a total of six district federations), Saitama Prefecture and Tokyo Prefecture (a total of three district federations), and the bottom five prefectures were Okinawa Prefecture, Wakayama Prefecture, Akita Prefecture, Shimane Prefecture and Tottori Prefecture, in ascending order.
地連登録者をもとに都道府県別競技人口を見ると、上位5位は愛知県、神奈川県、北海道（6地区連盟の合計）、埼玉県、東京都（3地区連盟の合計）、下位5県は下位から沖縄県、和歌山県、秋田県、島根県、鳥取県である。