Categories of text topics | TOEFL iBT reading test | IELTS reading test | ||
1. Natural Science |
| 21 |
| 12 |
| Biology Geology Astronomy | 15 5 1 | Biology Geology Physics | 8 2 2 |
2. Social Science and Humanities |
| 30 |
| 48 |
| Sociology History Agriculture Business Culture Arts Geography Archaeology Industry Economics | 3 2 9 2 1 2 2 4 4 1 | Sociology History Agriculture Business Culture Arts Geography Technology Health Psychology Law Language Education | 4 2 2 2 2 10 2 4 2 10 1 4 3 |