Tourism is a cornerstone of the global economy, acting as a massive engine for GDP growth, job creation, and infrastructure development. In 2026, the World Travel & Tourism Council (WTTC) reports that the sector’s global economic impact has reached a historic $11.7 trillion, contributing approximately 10.3% to the world's GDP. Beyond the raw numbers, tourism is a vital source of foreign exchange and a "counter-cyclical stabilizer" that provides jobs for youth and women, especially in small and medium-sized enterprises (SMEs) which capture nearly 80% of the industry's value. In countries like Spain, tourism accounts for about 16% of the national GDP, while in emerging markets like Saudi Arabia, it serves as a strategic asset for economic diversification. By funding the preservation of cultural heritage sites and driving the modernization of airports and transit systems, tourism creates a multiplier effect that benefits local communities far beyond the direct hospitality sector.