| Times held | 15 |
|---|---|
| Total participants | 408 |
| Total countries | 131 |
| 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 |
| 2024 | Lightweight (≤73 kilograms), Men | Olympic | 30 | 30 |
| NOC | Gold | Silver | Bronze | Total | |
|---|---|---|---|---|---|
| Japan | 6 | 1 | 1 | 8 | |
| Republic of Korea | 2 | 3 | 2 | 7 | |
| Italy | 2 | 1 | 1 | 4 | |
| Azerbaijan | 2 | 1 | 0 | 3 | |
| France | 1 | 1 | 3 | 5 | |
| Russian Federation | 1 | 1 | 0 | 2 | |
| Cuba | 1 | 0 | 0 | 1 | |
| Brazil | 0 | 1 | 3 | 4 | |
| East Germany | 0 | 1 | 1 | 2 | |
| Georgia | 0 | 1 | 1 | 2 | |
| Great Britain | 0 | 1 | 1 | 2 | |
| Hungary | 0 | 1 | 1 | 2 | |
| Switzerland | 0 | 1 | 0 | 1 | |
| Mongolia | 0 | 0 | 3 | 3 | |
| Soviet Union | 0 | 0 | 3 | 3 | |
| United States | 0 | 0 | 3 | 3 | |
| Belarus | 0 | 0 | 1 | 1 | |
| Belgium | 0 | 0 | 1 | 1 | |
| Democratic People's Republic of Korea | 0 | 0 | 1 | 1 | |
| Israel | 0 | 0 | 1 | 1 | |
| Latvia | 0 | 0 | 1 | 1 | |
| Republic of Moldova | 0 | 0 | 1 | 1 | |
| Tajikistan | 0 | 0 | 1 | 1 | |
| Athlete | Nat | Gold | Silver | Bronze | Total |
|---|---|---|---|---|---|
| Shohei Ono | 2 | 0 | 0 | 2 | |
| Ezio Gamba | 1 | 1 | 0 | 2 | |
| Marc Alexandre | 1 | 0 | 0 | 1 | |
| An Byeong-Geun | 1 | 0 | 0 | 1 | |
| Takao Kawaguchi | 1 | 0 | 0 | 1 | |
| Toshihiko Koga | 1 | 0 | 0 | 1 | |
| Kenzo Nakamura | 1 | 0 | 0 | 1 | |
| Takehide Nakatani | 1 | 0 | 0 | 1 | |
| Héctor Rodríguez | 1 | 0 | 0 | 1 | |
| Giuseppe Maddaloni | 1 | 0 | 0 | 1 | |
| Lee Won-Hui | 1 | 0 | 0 | 1 | |
| Elnur Məmmədli | 1 | 0 | 0 | 1 | |
| Mansur Isayev | 1 | 0 | 0 | 1 | |
| Hidayət Heydərov | 1 | 0 | 0 | 1 |