High Quality Content by WIKIPEDIA articles! Zambia is one of Sub-Saharan Africa's most highly urbanized countries. About one-half of the country's 11.5 million people are concentrated in a few urban zones strung along the major transportation corridors, while rural areas are under-populated. Unemployment and underemployment are serious problems. National GDP has actually doubled since independence, but due in large part to high birth rates and AIDS per capita annual incomes are currently at about two-thirds of their levels at independence. This low GDP per capita, which stands at $1400, places the country among the world's poorest nations. Social indicators continue to decline, particularly in measurements of life expectancy at birth (about 50 years) and maternal and infant mortality (85 per 1,000 live births). The high population growth rate of 2.3% per annum makes it difficult for per capita income to increase. The country's rate of economic growth cannot support rapid population...