| No. | DMU | DEA-CCR | DEA-BCC | Scale efficiency | Return to scale |
| 1 | Nador | 0.215 | 0.235 | 0.915 | Increasing |
| 2 | Tanger Med I | 1.000 | 1.000 | 1.000 | Constant |
| 3 | Casablanca | 0.532 | 0.684 | 0.777 | Decreasing |
| 4 | Jorf Lasfar | 1.000 | 1.000 | 1.000 | Constant |
| 5 | Safi | 0.443 | 0.449 | 0.988 | Increasing |
| 6 | Agadir | 0.823 | 1.000 | 0.823 | Increasing |
| 7 | Laayoune | 0.660 | 0.810 | 0.814 | Increasing |
| 8 | Dakhla | 1.000 | 1.000 | 1.000 | Constant |