This document discusses changes in the global tourism industry. It notes that international tourism has become more diverse since the 1980s, with Asia Pacific now the second most visited region. Domestic tourism has also grown significantly and remains important. The evolution of transportation systems helped mass tourism develop but also allowed for niche tourism as incomes rose and travelers sought more unique experiences. Overall, the global tourism industry has changed greatly in recent decades as destinations, origins of tourists, and types of tourism have all become more varied worldwide.