Japan qualified to participate in the Olympic men's basketball event as the host nation.
[3] According to the 2019 FIBA Basketball World Cup results, each zone is allocated with the following berths:
After the 2019 FIBA Basketball World Cup results, each zone was represented by the following national teams:[5] Victoria, Split, Kaunas and Belgrade had been awarded the hosting rights of the four tournaments.
On 19 September 2019, FIBA announced those teams, which are Angola and Senegal (Africa), Mexico and Uruguay (Americas), China and Korea (Asia-Oceania), and Croatia and Slovenia (Europe).
New Zealand withdrew from the OQT in February 2021, which led to FIBA replacing them with the Philippines, the next best team from the Asia-Pacific region.