J. LEAGUE
FORMAT
Teams: 18
Games: 34
Season Window: March to December
AFC Champions League Qualification: Top three
Relegation Zone: Bottom three
K-LEAGUE
FORMAT
Teams: 16
Games: 30
Season Window: March to December
AFC Champions League Qualification: Top two automatic + winner of playoff between teams 3-6 enter qualifying
Relegation Zone: No relegation
CHINESE SUPER LEAGUE
FORMAT
Teams: 16
Games: 30
Season Window: April to November
AFC Champions League Qualification: Top two automatic + third enters qualifying
Relegation Zone: Bottom two
A-LEAGUE

FORMAT
Teams: 10
Games: 27
Season Window: October to April
AFC Champions League Qualification: Winner of regular season + winner of Grand Final automatic, third placed team enters qualifying
Relegation Zone: No relegation
THAI PREMIER LEAGUE
FORMAT
Teams: 18
Games: 34
Season Window: February to December
AFC Champions League Qualification: Top team automatic
Relegation Zone: Bottom three
S.LEAGUE

FORMAT
Teams: 18
Games: 34
Season Window: February to November
AFC Champions League Qualification: No S.League teams eligible
Relegation Zone: No relegation
V-LEAGUE

FORMAT
Teams: 14
Games: 26
Season Window: January to August
AFC Champions League Qualification: No V-League teams eligible (top team enters AFC Cup)
Relegation Zone: Bottom team automatic, second bottom enters promotion/relegation playoff
MALAYSIAN SUPER LEAGUE

FORMAT
Teams: 14
Games: 26
Season Window: January to July
AFC Champions League Qualification: No MSL teams eligible (top team enters AFC Cup)
Relegation Zone: Bottom two
I-LEAGUE
FORMAT
Teams: 14
Games: 26
Season Window: December to May
AFC Champions League Qualification: Top team enters ACL Qualification Playoffs
Relegation Zone: Bottom two
FORMAT
Teams: 18
Games: 34
Season Window: August to May
AFC Champions League Qualification: Top three
Relegation Zone: Bottom three