Naples is Italy's fourth-largest economy after Milan, Rome and Turin, and is the world's 103rd-largest urban economy by purchasing power, with an estimated 2008 GDP of $51 billion. Naples is a major cargo terminal, and the port of Naples is one of the Mediterranean's biggest and most important. The city has experienced significant economic growth since World War II, but joblessness remains a major problem, and the city is characterized by high levels of political corruption and organized crime.
Naples is a major national and international tourist destination, being one of Italy and Europe's top tourist cities. Tourists began visiting Naples in the 18th century, during the Grand Tour. In terms of international arrivals, Naples was the 166th-most-visited city in the world in 2008, with 381,000 visitors (a 1.6% decrease from the previous year), coming after Lille, but overtaking York, Stuttgart, Belgrade and Dallas.
In recent times, there has been a move away from a traditional agriculture-based economy in the province of Naples to one based on service industries. In early 2002, there were over 249,590 enterprises operating in the province registered in the Chamber of Commerce Public Register. The service sector employs the majority of Neapolitans, although more than half of these are small enterprises with fewer than 20 workers; 70 companies are said to be medium-sized with more than 200 workers; and 15 have more than 500 workers.
In 2003, employment in the province of Naples was distributed as
