1. Population Growth: The global population has grown significantly since 1990, leading to an increased demand for transportation. As the population grows, so does the need for vehicles to transport people and goods.
2. Rising Income Levels: The rise in global income levels has enabled more people to afford motor vehicles. As people become wealthier, they are more likely to purchase cars, motorcycles, and other vehicles for personal and commercial use.
3. Urbanization: The rapid growth of cities and urbanization has also contributed to the increase in motor vehicles. As people move to urban areas, they often rely on cars and other forms of transportation to commute to work, school, and other activities.
4. Improved Road Infrastructure: The development and improvement of road infrastructure in many countries have made it easier and more convenient for people to use motor vehicles. Better roads encourage people to travel more frequently and use vehicles for longer distances.
5. Technological Advancements: Advancements in automotive technology have made vehicles more efficient, affordable, and reliable. This has further increased the popularity and accessibility of motor vehicles.
6. Government Policies: Some governments have implemented policies that promote the use of motor vehicles, such as subsidies for car purchases or fuel tax incentives. These policies can make it more affordable for people to own and operate vehicles.
7. Cultural and Social Factors: Cultural and social factors can also influence the use of motor vehicles. In many societies, car ownership is seen as a symbol of status and independence, which can further drive the demand for vehicles.