Tourism is a massive global employer. In the EU alone, it accounts for ~10% of GDP and 27 million jobs. In the US, the travel industry supports over 15 million jobs and contributes $2.5 trillion annually. It drives infrastructure development—airports, roads, utilities—that benefits locals too.
Visitor spending brings in vital foreign currency, improving balance of payments and economic stability.
Travel fosters tolerance and appreciation for diversity by connecting people across cultures, preserving traditions, and revitalizing heritage sites.
Ecotourism revenue funds parks and protected areas. In Costa Rica, tourism directly finances rainforest and wildlife conservation.