Paris for 31 percent of the GDP of France. According to the Economist Intelligence Unit Worldwide Cost of Living Survey in 2018, Paris was the second-most expensive city in the world, behind Singapore and ahead of Zurich, Hong Kong, Oslo and Geneva. The city is a major rail, highway, and air-transport hub served by two international airports: Paris-Charles de Gaulle (the second busiest airport in Europe after London Heathrow Airport with 69.5 million passengers in 2017) and Paris-Orly. Opened in 1900, the city's subway system, the Paris Métro, serves 5.23 million passengers daily, and is the second busiest metro system in
Fukui Airport Fukui Airport Work began on Fukui Airport in 1964, and the airport was opened in 1966, with All Nippon Airways (ANA) proving regularly scheduled services using a Fokker F-27 to Haneda Airport in Tokyo, with flights once or twice a day. The NAMC YS-11 replaced the F-27 on this route from April 1, 1972. However, the airport suffered from competition by nearby Komatsu Airport, whose longer runway could accommodate jet aircraft. Services between Fukui and Nagoya commenced from December 1, 1974 but all scheduled commercial flights were discontinued due to lack of passengers from March 1976. In 1985, the Fukui