Table 1
Interpretation of Gunning Fog index scores.
| Gunning Fog score | Approximate education level required | Description of text complexity |
|---|---|---|
| 6–8 | Primary education | Very easy to read; simple sentences and basic vocabulary |
| 9–12 | Secondary education | Standard, accessible texts; typical of newspapers |
| 13–16 | Undergraduate education | Moderately complex; academic or professional texts |
| 17–20 | Graduate education | Highly complex; specialized academic or technical texts |
| 21+ | Postgraduate/expert level | Very complex; legal, bureaucratic, or highly technical documents |
Source: own adaptation by the author.