| Category of Factor | Description and Examples |
|---|---|
| Economic Developments | Rising middle-class incomes in emerging economies (e.g., China, India) and guaranteed paid holiday leave. |
| Social / Cultural Shifts | Growing 'grey market' (active retirees with high disposable income) and a social trend prioritizing experiential travel over material goods. |
| Technological Innovation | Global online booking directories, instant smartphone mapping, and more fuel-efficient wide-body jet aircraft. |
| Political / Infrastructure Expansion | Easing of international visa restrictions, global 'Open Skies' agreements, and major investments in national airport hubs. |
Study Figure 8c.
Assess the relative importance of different factors that have caused the rapid growth in global tourism.
