Next season, there will be 22 teams in the B1 League, 11 in the East and 11 in the West, and 14 teams in the B2 League, 7 in the East and 7 in the West. The Gunma Crane Thunders and Ibaraki Robots have been promoted to B1. Toyama, which was in the East until the 2020-2021 season, has moved to the West.
B1: Eastern Conference
Levanga Hokkaido: 14 wins, 45 losses (2020-2021)
Akita Northern Happinets: 28 wins, 31 losses (2020-2021)
Ibaraki Robots: (Promoted from B2)
Utsunomiya Brex: 49 wins, 11 losses (2020-2021) Championship runner-up
Gunma Crane Thunderers: (promoted from B2)
Chiba Jets: 43-14 (2020-2021) Championship champion
Alverk Tokyo: 32-24（2020-2021
Sunrockers Shibuya: 38-22 (2020-2021)
Kawasaki Brave Thunders: 43-16 (2020-2021)
Yokohama B-Corsairs: 19 wins, 40 losses (2020-2021)
Niigata Albirex BB: 16 wins, 38 losses (2020-2021)
B1: Western Conference
Toyama Grouses: 39 wins, 21 losses (2020-2021)
Shinshu Brave Warriors: 20 wins, 34 losses (2020-2021)
San'en Neo Phoenix: 12 wins, 47 losses (2020-2021)
Seahorse Mikawa: 34-21 (2020-2021)
Nagoya Diamond Dolphins: 32 wins, 24 losses (2020-2021)
Shiga Lakes Stars: 23 wins, 36 losses (2020-2021)
Kyoto Hannaryz: 21 wins, 36 losses (2020-2021)
Osaka Evessa: 34 wins, 20 losses (2020-2021)
Shimane Susanoo Magic: 28-32 (2020-2021)
Hiroshima Dragonflies: 9 wins, 46 losses (2020-2021)
Ryukyu Golden Kings: 40-16(2020-2021)