Canada is the world's second largest country and the fourth largest country by land area. Its capital is Ottawa and its five largest metropolitan areas are Toronto, Montreal, Vancouver, Calgary and Ottawa. It is one of the world's most ethnically diverse and multicultural nation, the product of large scale immigration services from many other countries. Its advanced economy is the tenth largest in the world, relying chiefly upon its abundant natural resources and well- developed international trade networks. It is one of the world's top ten trading nations with a highly globalized economy.