A highly developed country, Canada has the 26th highest nominal per-capita income globally and the sixteenth-highest ranking in the Human Development Index. Its advanced economy is the ninth-largest in the world, relying chiefly upon its abundant natural resources and well-developed international trade networks. Canada is part of several major international and intergovernmental institutions or groupings including the United Nations, NATO, the G7, the Group of Ten, the G20, the Organisation for Economic Co-operation and Development (OECD), the World Trade Organization (WTO), the Commonwealth of Nations, the Arctic Council, the , the Asia-Pacific Economic Cooperation forum, and the Organization of American States.