| Times held | 14 |
|---|---|
| Total participants | 387 |
| Total countries | 130 |
| Year | Event | Status | Participants | NOCs |
|---|---|---|---|---|
| 1964 | Lightweight (≤68 kilograms), Men | Olympic | 24 | 18 |
| 1972 | Lightweight (≤63 kilograms), Men | Olympic | 29 | 29 |
| 1976 | Lightweight (≤63 kilograms), Men | Olympic | 27 | 27 |
| 1980 | Lightweight (≤71 kilograms), Men | Olympic | 30 | 30 |
| 1984 | Lightweight (≤71 kilograms), Men | Olympic | 31 | 31 |
| 1988 | Lightweight (≤71 kilograms), Men | Olympic | 41 | 41 |
| 1992 | Lightweight (≤71 kilograms), Men | Olympic | 44 | 44 |
| 1996 | Lightweight (≤71 kilograms), Men | Olympic | 35 | 35 |
| 2000 | Lightweight (≤73 kilograms), Men | Olympic | 34 | 34 |
| 2004 | Lightweight (≤73 kilograms), Men | Olympic | 33 | 33 |
| 2008 | Lightweight (≤73 kilograms), Men | Olympic | 32 | 32 |
| 2012 | Lightweight (≤73 kilograms), Men | Olympic | 34 | 34 |
| 2016 | Lightweight (≤73 kilograms), Men | Olympic | 35 | 35 |
| 2020 | Lightweight (≤73 kilograms), Men | Olympic | 34 | 34 |
| NOC | Gold | Silver | Bronze | Total | |
|---|---|---|---|---|---|
| Japan | JPN |
6 | 1 | 0 | 7 |
| Republic of Korea | KOR |
2 | 3 | 2 | 7 |
| Italy | ITA |
2 | 1 | 1 | 4 |
| Azerbaijan | AZE |
1 | 1 | 0 | 2 |
| Russian Federation | RUS |
1 | 1 | 0 | 2 |
| France | FRA |
1 | 0 | 3 | 4 |
| Cuba | CUB |
1 | 0 | 0 | 1 |
| Brazil | BRA |
0 | 1 | 3 | 4 |
| East Germany | GDR |
0 | 1 | 1 | 2 |
| Georgia | GEO |
0 | 1 | 1 | 2 |
| Great Britain | GBR |
0 | 1 | 1 | 2 |
| Hungary | HUN |
0 | 1 | 1 | 2 |
| Switzerland | SUI |
0 | 1 | 0 | 1 |
| Mongolia | MGL |
0 | 0 | 3 | 3 |
| Soviet Union | URS |
0 | 0 | 3 | 3 |
| United States | USA |
0 | 0 | 3 | 3 |
| Belarus | BLR |
0 | 0 | 1 | 1 |
| Belgium | BEL |
0 | 0 | 1 | 1 |
| Democratic People's Republic of Korea | PRK |
0 | 0 | 1 | 1 |
| Israel | ISR |
0 | 0 | 1 | 1 |
| Latvia | LAT |
0 | 0 | 1 | 1 |
| Tajikistan | TJK |
0 | 0 | 1 | 1 |
| Athlete | Nat | Gold | Silver | Bronze | Total |
|---|---|---|---|---|---|
| Shohei Ono | JPN |
2 | 0 | 0 | 2 |
| Ezio Gamba | ITA |
1 | 1 | 0 | 2 |
| Marc Alexandre | FRA |
1 | 0 | 0 | 1 |
| An Byeong-Geun | KOR |
1 | 0 | 0 | 1 |
| Takao Kawaguchi | JPN |
1 | 0 | 0 | 1 |
| Toshihiko Koga | JPN |
1 | 0 | 0 | 1 |
| Kenzo Nakamura | JPN |
1 | 0 | 0 | 1 |
| Takehide Nakatani | JPN |
1 | 0 | 0 | 1 |
| Héctor Rodríguez | CUB |
1 | 0 | 0 | 1 |
| Giuseppe Maddaloni | ITA |
1 | 0 | 0 | 1 |
| Lee Won-Hui | KOR |
1 | 0 | 0 | 1 |
| Elnur Məmmədli | AZE |
1 | 0 | 0 | 1 |
| Mansur Isayev | RUS |
1 | 0 | 0 | 1 |