About 70% of the population work in the agricultural sector, which produces rubber, coffee, cocoa, rice, cassava, palm oil, sugarcane, and bananas. Sheep and goats are raised, and there is lumbering. Much rice, the main staple, is imported, but efforts have been made to develop intensive rice production and to establish fish farms. Much of the country's industry is concentrated around Monrovia, where civil war disruption was highest, and is directed toward mineral, rubber, and palm oil processing. The lack of skilled and technical labor has slowed the growth of the manufacturing sector.
The government derives a sizable income from registering ships; low fees and lack of control over shipping operations have made the Liberian merchant marine one of the world's largest. Internal communications are poor, with few paved roads and only a few short, freight-carrying rail lines. Rubber, timber, iron ore, diamonds, cocoa, and coffee provide the bulk of the export earnings; fuels, chemicals, machinery, transportation equipment, manufactured goods, and foodstuffs are the principal imports. In general, the value of imports greatly exceeds that of