Argentina is a developing country that ranks very high in the Human Development Index, the second-highest in Latin America after Chile. It is a regional power, and retains its historic status as a middle power in international affairs. It maintains the second-largest economy in South America, and is a member of G-15 and G20. Argentina is also a founding member of the United Nations, World Bank, World Trade Organization, Mercosur, Community of Latin American and Caribbean States and the Organization of Ibero-American States.