Current program
Men
Bantamweight
- –56 kg (1948–1968)
- 52–56 kg (1972–1992)
- 54–59 kg (1996)
- –56 kg (2000–2016)
- –61 kg (2020–)
Featherweight
- –60 kg (1920–1936)
- 56–60 kg (1948–1992)
- 59–64 kg (1996)
- 56–62 kg (2000–2016)
- 61–67 kg (2020–)
Lightweight
- 60–67.5 kg (1920–1992)
- 64–70 kg (1996)
- 62–69 kg (2000–2016)
- 67–73 kg (2020–)
Middleweight
- 67.5–75 kg (1920–1992)
- 70–76 kg (1996)
- 69–77 kg (2000–2016)
- 73–81 kg (2020–)
Middle heavyweight
- 82.5 kg–90 kg (1952–1992)
- 83–91 kg (1996)
- 85–94 kg (2000–2016)
- 81–96 kg (2020–)
Heavyweight
- +82.5 kg (1920–1948)
- +90 kg (1952–1968)
- 90–110 kg (1972–1976)
- 100–110 kg (1980–1992)
- 99–108 kg (1996)
- 94–105 kg (2000–2016)
- 96–109 kg (2020–)
Super heavyweight
- +110 kg (1972–1992)
- +108 kg (1996)
- +105 kg (2000–2016)
- +109 kg (2020–)
Women
Flyweight
- 48 kg (2000–2016)
- 49 kg (2020–)
Featherweight
- 53 kg (2000–2016)
- 55 kg (2020–)
Lightweight
- 58 kg (2000–2016)
- 59 kg (2020–)
Middleweight
- 63 kg (2000–2016)
- 64 kg (2020–)
Light heavyweight
- 69 kg (2000–2016)
- 76 kg (2020–)
Heavyweight
- 75 kg (2000–2016)
- 87 kg (2020–)
Super heavyweight
- +75 kg (2000–2016)
- +87 kg (2020–)