| Country | Competitors | Perfect Score |
|---|---|---|
| Russia | 7 | 0 |
| China | 3 | 0 |
| Japan | 2 | 0 |
| Poland | 2 | 0 |
| South Korea | 2 | 0 |
| United States | 2 | 0 |
| Belarus | 1 | 0 |
| Canada | 1 | 0 |
| Decline to Answer | 1 | 0 |
| Italy | 1 | 0 |
| Netherlands | 1 | 0 |
| Switzerland | 1 | 0 |
| United Arab Emirates | 1 | 0 |
GCJ Stats > GCJ 2018 > World Finals 2018 > Country ranks | Language usage