Modern Bolivia is a charter member of the UN, IMF, NAM, OAS, ACTO, Bank of the South, ALBA, and USAN. Bolivia remains the second poorest country in South America, though it has slashed poverty rates and has the fastest growing economy in South America (in terms of GDP). It is a developing country, with a high ranking in the Human Development Index. Its main economic activities include agriculture, forestry, fishing, mining, and manufacturing goods such as textiles, clothing, refined metals, and refined petroleum. Bolivia is very rich in minerals, including tin, silver, lithium, and copper.