| Categories of question types | TOEFL iBT reading test TPO1 - 50 + OG | IELTS reading test Cambridge IELTS 4 - 12 | |||
| Vocabulary | 633 | 27.80% | 0 | 0 | |
| Restatement | 700 | 30.70% | 1162 | 80.70% | |
| Inference | 160 | 7% | 10 | 0.70% | |
| Negative question | 195 | 8.50% | 0 | 0 | |
| Referent | 30 | 1.30% | 1 | 0.07% | |
| Organization | 377 | 16.50% | 13 | 0.90% | |
| Support | 165 | 7.20% | 32 | 2.20% | |
| Main idea | 20 | 0.80% | 217 | 15.10% | |
| Author’s attitude etc. | 0 | 0 | 5 | 0.30% | |
| Possible topic | 0 | 0 | 0 | 0 | |
| Whole number | 2280 | 100% | 1440 | 100% | |