As of March 2025, there were *** players competing in Japan's first-tier professional basketball league (B1). The players were registered at the Japan Basketball Association, which is the governing body of basketball in Japan and responsible, among other things, for the spread of basketball and the organization of its professional sports leagues.
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Japan Basketball Association. (April 9, 2025). Number of players registered at Japan's professional basketball circuit (B.League) as of March 2025, by division [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 02, 2026, from /statistics/1293346/japan-number-professional-basketball-players-by-division/
Japan Basketball Association. "Number of players registered at Japan's professional basketball circuit (B.League) as of March 2025, by division." Chart. April 9, 2025. ÌÇÐÄÆƽâ°æ. Accessed August 02, 2026. /statistics/1293346/japan-number-professional-basketball-players-by-division/
Japan Basketball Association. (2025). Number of players registered at Japan's professional basketball circuit (B.League) as of March 2025, by division. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 02, 2026. /statistics/1293346/japan-number-professional-basketball-players-by-division/
Japan Basketball Association. "Number of Players Registered at Japan's Professional Basketball Circuit (B.League) as of March 2025, by Division." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 9 Apr 2025, /statistics/1293346/japan-number-professional-basketball-players-by-division/
Japan Basketball Association, Number of players registered at Japan's professional basketball circuit (B.League) as of March 2025, by division ÌÇÐÄÆƽâ°æ, /statistics/1293346/japan-number-professional-basketball-players-by-division/ (last visited August 02, 2026)
Number of players registered at Japan's professional basketball circuit (B.League) as of March 2025, by division [Graph], Japan Basketball Association, April 9, 2025. [Online]. Available: /statistics/1293346/japan-number-professional-basketball-players-by-division/
