Worldwide travel for recreational, leisure, or business purposes is on the increase. It is an important economic factor.
In 2015 European nations occupied three of the world's top five places in destinations.Germany has the largest outbound tourist trade in the world, with Germans spending about €80 billion (89 billion $) annually to travel abroad (the United States is second), in spite of Germany being fourth in world in GDP and fourteenth in population. Germany also has the eighth largest inbound tourist trade, with receipts of around €24 billion.
Airbnb has scrapped a competition to win a night's stay on the Great Wall of China after online users complained about its impact on the historic site. The rental website has hosted similar competitions in the past.