| Variables | Definition |
| Death/Million Urban Population | Traffic Death/Urban Population in Millions |
| Vehicles/Million Population | Number of Registered Vehicles/Population in Millions |
| Vehicles/Million Urban population | Number of Registered Vehicles/Urban population in Millions |
| Income per Capita ($) | Amount of money earned per person in a nation |
| Education Index (0 - 1) | Average of Mean Years of Schooling defined by the United Nations Development Program (UNDP) |
| Human Development Index (0 - 1) | The Human Development Index is a summary measure of average achievement in key dimensions of human development: a long and healthy life, being knowledgeable and have a decent standard of living. The HDI is the geometric mean of normalized indices for each of the three dimensions. |
| Population density per Sq∙km | Population/land area in km2 |
| Proportion of Urban population % | Urban population/total population |
| Social Globalization Index (0 - 100) | Developed by World bank considering three factors: Telephone subscriptions, Freedom to visit, International airports |
| Cultural Globalization Index (0 - 100) | Developed by UNESCO by considering three factors: Gender parity, expenditure on education and Civil freedom |
| Alcohol Consumption (Lit/capita) | Alcohol Consumption measured by Liter/capita |
| Average Drivers Ages (years) | Average Drivers Ages |