| Cluster | Medium | Low | High | Medium High |
| Vehicle per Million Population | 0.192† | 0.276† | 0.040 | −0.038 |
| Vehicle per Million Urban Population | 0.460† | 0.478† | 0.480† | 0.477† |
| Income Per Capita | −0.139* | 0.152 | −0.476† | −0.50† |
| Education Index | 0.067 | 0.253ꜟ | −0.123 | −0.457† |
| Human Development Index | −0.027 | 0.266ꜟ | −0.463† | −0.607† |
| Population Density | −0.078 | −0.206 | −0.213ꜟ | 0.085 |
| Proportion of Urban population | −0.475† | −0.483† | −0.595† | −0.507† |
| Social Globalization Index | −0.153ꜟ | 0.281† | −0.091 | −0.283† |
| Cultural Globalization Index | −0.064 | 0.175 | −0.198ꜟ | −0.369† |
| Alcohol Consumption | 0.216† | 0.512† | 0.278† | 0.022 |
| Average Drivers Ages | 0.0478 | −0.066 | −0.133 | −0.289† |