  It is well-accepted that the ability to go from one place to another, or
mobility, contributes significantly to one's wellbeing. The need for mobility
is universal, but the demand for mobility shows a great variation on a country
basis. This particular study looks at what are some of the most important
factors on a global level that can help in predicting the
passengerkilometers-travelled or passenger-miles-travelled (PKT/PMT) on a
country by country basis. This particular work tries to quantify the impact of
some of the key variables like Gross Domestic Product (GDP), population growth,
employment rate, number of households, age demographics within the population
and macroeconomic variables on the total vehicle-based travel within each
country. A panel-based regression model is developed to identify the effect of
some of the key macroeconomic variables on the countries' PKT growth.
