The number of players on a basketball team varies depending on the league or level of play ^{1 2 3}. Here are the typical roster sizes:

• FIBA: 12 players
• NBA: 15 players (13 active, 2 inactive)
• WNBA: 12 players
• NCAA: 15 players (13 active, 2 inactive)
• High School: 20 players
• Street Basketball: 4 (3 players, 1 substitute) ^{2 3}