Namibia’s economy consists primarily of mining and manufacturing which represent 8% of the gross domestic product (GDP) respectively. Namibia has a 30-40% unemployment rate and recently passed a 2004 labour act to protect people from job discrimination stemming from pregnancy and HIV/AIDS status. Namibia’s economy is tied closely to South Africa’s due to their shared history. The Central Plateau serves as a transportation corridor from the more densely populated north to South Africa, the source of four-fifths of Namibia’s imports.Namibia is the fourth largest exporter of non-fuel minerals in Africa and the world's fifth largest producer of uranium. There has been significant investment in uranium mining and Namibia is set to become the largest exporter of uranium by 2015. Rich alluvial diamond deposits make Namibia a primary source for gem-quality diamonds. Namibia also produces large quantities of lead, zinc, tin, silver, and