Italy has a population of over 61 million people, with Rome as its capital and the euro as its currency. The majority of Italians are Roman Catholic. Italy has a republic government led by President Giorgio Napolitano and Prime Minister Mario Monti, and has been a member of the European Union since 1952. Its key industries include agriculture, tourism, and natural resources, and its largest trading partners are Germany, France, the United States, Spain, Switzerland, and the Netherlands.