| Level | Description | Estimated % of People |
|---|---|---|
| 1 | Perfectly realistic, as real as seeing | ~5–10% |
| 2 | Realistic and reasonably vivid | ~15–20% |
| 3 | Moderately realistic | ~30–40% |
| 4 | Dim and vague | ~20–25% |
| 5 | No image (aphantasia) | ~2–5% |
These estimates are approximate and based on data from tools like the Vividness of Visual Imagery Questionnaire (VVIQ) and newer research on aphantasia and hyperphantasia.