| Country | N | MISTAKES | IMAGES | PLAGIARISM | OVERLAP | FRAUD | ETHICS | AUTHORSHIP | UNCLEAR | EDITOR | PROPERTY | OTHER |
| China | 1624 | 28.9% | 23.5% | 14.4% | 9.4% | 18% | 5.8% | 6.7% | 4.9% | 1.8% | 1.5% | 0.5% |
| United States | 1175 | 43.1% | 31.5% | 4.9% | 7.6% | 1.4% | 6.1% | 2.8% | 3.7% | 4.2% | 2.6% | 1.7% |
| India | 384 | 18.2% | 27.1% | 33.6% | 16.1% | 1.3% | 4.9% | 4.7% | 5.7% | 2.3% | 1.3% | 0.3% |
| Japan | 241 | 40.2% | 20.7% | 5% | 14.9% | 1.2% | 14.1% | 7.9% | 5.8% | 3.3% | 2.5% | 0.4% |
| Italy | 227 | 21.6% | 29.1% | 26% | 11% | 0.9% | 5.7% | 2.6% | 4.4% | 4% | 3.5% | 2.2% |
| United Kingdom | 194 | 43.8% | 18% | 6.2% | 7.2% | 0.5% | 11.3% | 8.2% | 2.6% | 5.2% | 4.1% | 4.6% |
| South Korea | 182 | 32.4% | 14.8% | 7.7% | 13.7% | 15.4% | 11% | 4.4% | 4.4% | 2.2% | 3.8% | 0.5% |
| Germany | 177 | 37.3% | 16.4% | 2.8% | 12.4% | 1.7% | 16.4% | 9% | 2.8% | 5.1% | 5.1% | 4% |
| Iran | 174 | 14.9% | 6.3% | 27.6% | 21.8% | 31% | 6.3% | 23% | 6.3% | 5.2% | 1.1% | 0.6% |
| Canada | 109 | 31.2% | 20.2% | 4.6% | 15.6% | 2.8% | 8.3% | 5.5% | 2.8% | 11% | 3.7% | 5.5% |