Men
Half Lightweight
- 65 kg (1980–1996)
- 66 kg (2000–)
Lightweight
- 68 kg (1964)
- 63 kg (1972–1976)
- 71 kg (1980–1996)
- 73 kg (2000–)
Half Middleweight
- 70 kg (1972–1976)
- 78 kg (1980–1996)
- 81 kg (2000–)
Middleweight
- 80 kg (1964–1976)
- 86 kg (1980–1996)
- 90 kg (2000–)
Half Heavyweight
- 93 kg (1972–1976)
- 95 kg (1980–1996)
- 100 kg (2000–)
Heavyweight
- over 80 kg (1964)
- over 93 kg (1972–1976)
- over 95 kg (1980–1996)
- over 100 kg (2000–)
Open class
Women
Half Lightweight
Lightweight
- 56 kg (1992–1996)
- 57 kg (2000–)
Half Middleweight
- 61 kg (1992–1996)
- 63 kg (2000–)
Middleweight
- 66 kg (1992–1996)
- 70 kg (2000–)
Half Heavyweight
- 72 kg (1992–1996)
- 78 kg (2000–)
Heavyweight
- over 72 kg (1992–1996)
- over 78 kg (2000–)