Whether Venice is "in decline" is a subject of intense debate, but the city is undeniably in a state of profound transformation. Demographically, Venice is declining; the resident population has dropped below 50,000 as locals flee the high cost of living and the "Disneyfication" of their neighborhoods. However, structurally and economically, Venice is seeing significant investment. In 2026, the MOSE barrier system is fully operational, successfully protecting the city from the devastating "Acqua Alta" floods that previously threatened its foundations. To combat the social decline caused by overtourism, the city has implemented a mandatory entry fee for day-trippers and restricted large cruise ships from the historic center. While some critics argue that Venice is becoming a "living museum" rather than a functional city, others see these measures as essential "regenerative tourism" steps to ensure the city's survival for future generations. The decline, therefore, is not of the city's physical beauty or global relevance, but of its traditional civic life as it struggles to balance its status as a world heritage site with the needs of a modern, resident community.