Table 2 Transboundary legal framework indicator for Mexican border states. Source: [46]
| State | Score (from 0 to 7) |
|---|---|
| North boundary | |
| Baja California | 5.6 |
| Sonora | 3.5 |
| Chihuahua | 5.6 |
| Coahuila | 5.6 |
| Nuevo León | 5.6 |
| Tamaulipas | 5.6 |
| South boundary | |
| Chiapas | 1.345 |
| Tabasco | 1.345 |
| Campeche | 1.345 |
| Quintana Roo | 0.19 |