| Country | N | MISTAKES | IMAGES | PLAGIARISM | OVERLAP | FRAUD | ETHICS | AUTHORSHIP | UNCLEAR | EDITOR | PROPERTY | OTHER |
| China | 1587 | 28.6% | 23.2% | 14.7% | 9.3% | 18.3% | 5.7% | 6.7% | 5% | 1.9% | 1.4% | 0.5% |
| United States | 918 | 45.2% | 31.3% | 3.8% | 7.3% | 0.5% | 5.4% | 1.6% | 3.8% | 4.2% | 2.8% | 1.5% |
| India | 351 | 17.9% | 24.8% | 35.3% | 17.1% | 1.1% | 5.1% | 4.3% | 5.7% | 2.6% | 1.1% | 0.3% |
| Japan | 212 | 39.2% | 19.8% | 4.7% | 16.5% | 0.5% | 15.6% | 9% | 5.7% | 3.8% | 2.8% | 0.5% |
| Italy | 182 | 12.1% | 27.5% | 32.4% | 12.1% | 0.5% | 6% | 3.3% | 5.5% | 4.4% | 3.8% | 2.7% |
| South Korea | 166 | 33.1% | 10.8% | 6.6% | 15.1% | 16.9% | 12% | 4.8% | 4.8% | 2.4% | 4.2% | 0.6% |
| Iran | 162 | 14.2% | 4.9% | 29.6% | 22.2% | 32.7% | 4.9% | 23.5% | 5.6% | 5.6% | 1.2% | 0.6% |
| Germany | 115 | 36.5% | 7.8% | 1.7% | 15.7% | 0 | 20.9% | 7% | 4.3% | 6.1% | 5.2% | 2.6% |
| United Kingdom | 110 | 39.1% | 20.9% | 5.5% | 6.4% | 0 | 9.1% | 9.1% | 4.5% | 8.2% | 5.5% | 3.6% |
| Spain | 78 | 26.9% | 37.2% | 9% | 11.5% | 1.3% | 3.8% | 5.1% | 5.1% | 3.8% | 6.4% | 1.3% |