Lesotho is one of the poorest countries in Southern Africa, and has one of the highest income inequality in the world. Home to about 2 million people, Lesotho is surrounded by South Africa, the second largest and most industrialized economy in Africa. Lesotho generates income mainly by exporting textiles, water, and diamonds, and is a member of the Southern African Customs Union (SACU), the Southern African Development Community (SADC), and the Common Monetary Area (CMA). The national currency, the loti, is pegged to the South African rand.