International Olympiad in Informatics – Statistics
| Country ▲ | Delegation | Awards | |||||
|---|---|---|---|---|---|---|---|
| C | T | O | G | S | B | Medals | |
| Bulgaria | 6 | 2 | 1 | 2 | 2 | 0 | 4 |
| China | 3 | 2 | 1 | 0 | 0 | 3 | 3 |
| Cuba | 3 | 1 | 1 | 0 | 0 | 1 | 1 |
| Czechoslovakia | 3 | 1 | 0 | 1 | 0 | 0 | 1 |
| German Democratic Republic | 3 | 1 | 0 | 0 | 2 | 0 | 2 |
| Germany | 3 | 0 | 1 | 1 | 0 | 1 | 2 |
| Greece | 3 | 1 | 1 | 0 | 0 | 1 | 1 |
| Hungary | 2 | 2 | 0 | 1 | 0 | 0 | 1 |
| Poland | 3 | 0 | 1 | 0 | 0 | 0 | 0 |
| Soviet Union | 9 | 2 | 1 | 1 | 1 | 0 | 2 |
| Vietnam | 3 | 1 | 0 | 0 | 0 | 1 | 1 |
| Yugoslavia | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
| Zimbabwe | 3 | 0 | 1 | 0 | 0 | 0 | 0 |